The complete works of line characters (about 50 words). What does the word line mean?

What does the interpretation line of pinyin mean?

1, the pinyin of line characters is xià n; 2. Definition of line characters: (1) (name) (~ er) A slender object made of silk, cotton, hemp and metal. The kind that can be twisted at will: a ~| hair ~| electricity ~||| rope. (2) (Name) Geometrically refers to a figure formed by the arbitrary movement of a point; There are two kinds of lines and curves: parallel ~| crossing ~. (3) (Name) Something as slender as a line: ~ fragrance. (4) (Name) Transportation route: air ~ | transportation ~ | Beijing-Kowloon ~ | along the line ~ station. (5) (name) refers to the ideological and political line: above the outline. (6) Border (name): Frontline ~| Firepower ~| Defense ~| Coast ~| Frontline. (7) Some edge of metaphor approximation: life | death | poverty. (8) (name) clue: eye ~. (9) (quantity) is used for abstract things; The number is limited to one; The meaning is very small: one ~ vitality.

Detailed explanation of sentence making, pinyin and some lines;

1, automatic line sentence-making: combined with the practical application of machining automatic line boring, a set of online boring size error prediction and compensation system for batch production process is developed.

Explanation: a production line consisting of a set of equipment that can automatically and continuously carry out production work. Common such as processing automatic line. From the beginning of the blank to the completion of the processing, the whole working process does not need manual operation at all, as long as very few people manage it.

2. Secant sentence: the analysis shows that the crack length estimated by unloading tangent flexibility is approximately equal to the crack length without surface force, and the crack length estimated by secant flexibility is equal to the measured crack length;

Explanation: A straight line passing through any two points on a circle or other curve.

3. Isothermal sentence: With the help of pure component isotherm data, the above model is solved numerically, and the * * * adsorption breakthrough curves of nitrogen-oxygen binary mixture in 5A zeolite molecular sieve column and carbon molecular sieve column are obtained.

Description: In order to show the temperature distribution on the earth's surface, the places with the same temperature at the same time are connected on the plane to form a closed line.

4. Making sentences with broken lines: According to a new study, a Stone Age artwork carved with several broken lines that looks like a woman with open legs shows that birth ceremonies may be very important in early Europeans.

Explanation: a straight line composed of several straight line segments that are not on the same line, which are connected end to end in turn.

5. cosmic ray sentence: the puzzling thing about this picture is that it lacks the fine fiber structure of high-energy X-ray radiation. People think that this structure is an important place for cosmic ray acceleration in supernova remnants.

Explanation: See cosmic rays.

6. Sentence-making with staff: Their images enter the screen with the photographer's camera lens, poetry and music, and books, newspapers and staff go to the world from China.

Note: Mark the score of notes on five parallel horizontal lines.

7. Line voltage sentence: At last, the experimental data and sampling waveforms of motor phase current and line voltage are given, which verifies the correctness and effectiveness of the whole system.

Explanation: The voltage between any two live wires in three-phase alternating current. Also known as line-to-line voltage.

8. Linear Speed Sentence: When machining parts with different diameters, such as end faces, arcs, cones and paths, although the feed speed along the X axis is constant, the cutting linear speed is constantly changing, which leads to the change of the machined surface quality.

Note: The distance that a particle moving in a curve moves on the curve per unit time is equal to the product of angular velocity (expressed by radian per second) and the radius of the circle, and its direction is the direction of the tangent of each point.

9. Sentence-making in linear programming: In order to find a simpler solution to this kind of problem, the concept of main constraint and its judgment method are put forward, and the application of this method in simplifying other linear programming problems is discussed.

Explanation: A branch of operational research, which uses charts and other demonstration programs to find scientific methods of how to accomplish the most tasks with the least manpower and material resources. Linear programming can solve the problems of reasonable vehicle scheduling, reasonable distribution of materials, reasonable arrangement of labor force and reasonable distribution of land planting area.

10, linear expansion sentence: Combining with the measured data of horizontal displacement of dam crest, this paper introduces the modeling principle, model results, inversion methods and results of dam deformation parameters and temperature linear expansion coefficient of a hydropower station.

Explanation: When the temperature rises, the length of a solid increases in a certain direction.

1 1. Directional antenna sentence: The background and research progress of this new artificial electromagnetic material are summarized in detail, and the application prospect of this material in microwave band radar imaging, directional antenna, stealth and other military fields is emphatically introduced.

Note: Directional antenna is often annular in receiver and concave mirror in radar communication equipment.

12, isoline sentence making: Combining NCAR and SURFER, the isoline analysis and map superposition of discrete point data in a specific area are successfully realized.

Explanation: A closed line connecting the equivalent points on the map. Such as isotherms, isobars, etc.

13, Shear Line Sentence: The upper westerly trough and its south branch trough and its front subtropical jet, low-level strong southwest airflow and quasi-static shear line are the most important weather systems to induce spring hail in Fujian Province.

Note: In a certain area, there are significant differences in the direction and speed of air flow between the two sides. Near the shear line, it is often beneficial to precipitation.

14, spectral line sentence: And if you look at the spectra of other planets, the colors on the spectra are the same, but the spectral lines will separate the spectra in different places and form different patterns.

Explanation: Bright or dark vertical lines in the spectrum. The number, position and intensity of spectral lines of various elemental vapors are different.

15, submarine pipeline sentence: Under the reciprocating action of waves and currents, oil and gas pipelines laid on the seabed may be washed away, forming a suspended span. Due to the lack of soil support, the suspended span of submarine pipeline is prone to fatigue failure under the action of wake vortex.

Description: Also called submarine pipeline. Pipelines laid on the seabed for transporting oil, natural gas or water, pipelines connecting land oil storage facilities and offshore oil terminals, or pipelines connecting offshore oil wells and land oil storage facilities are all submarine pipelines.

16, Anti-Japanese National United Front Sentence: He believes that the utilization and development of capitalist economy in modern China is a necessary factor for consolidating political power, developing economy, establishing an anti-Japanese national United front, developing productive forces and building socialism.

Commentary: During the War of Resistance against Japanese Aggression period, China initiated and led a broad alliance of the whole nation except the pro-Japanese faction and traitors to resist the armed aggression of Japanese imperialism and strive for national liberation.

17, normal sentence making: Our normal map is different from many other games and easier to understand and use. It is a storage and object space, not a tangent space. Maybe we can introduce it next time.

Explanation: (1) A point on a curve or surface is tangent or tangent, and a straight line perpendicular to the tangent or passing through the point is called the normal of the curve or surface at that point. (2) When light is reflected or refracted, it passes through the incident point and is perpendicular to the interface between the two media.

18, enameled wire sentence: In order to improve the product qualification rate and save costs, the scheme of using enameled wire as antenna was abandoned, and the antenna was directly laid on the circuit board.

Description: Metal wires coated with thin insulating paint are mainly used to manufacture coils of motors and telecommunications equipment.

19, bus sentence: The fault information can be comprehensively processed, analyzed and judged by electronic technology and microcomputer, and the fault information such as fault lines or buses can be accurately obtained.

Description: (1) The main body used for power transmission in a power station or substation. Through it, the electric energy output by generators, transformers or rectifiers is transmitted to various users or other substations. (2) Mathematically, it refers to a straight line that moves according to certain conditions.

20. Bending plate sentence: In civil engineering, the principal stress trace is the basis for the layout direction of steel bars, but in engineering, the principal stress trace is usually drawn by hand or with bending plates.

Description: Also called Cloud Board. A thin plate used to draw curves. The edge of a plate consists of many curves with continuously changing curvature.

2 1, actinomycetes sentence: the effects of dicyandiamide on soil microorganisms, bacteria, molds and actinomycetes, as well as the changes of ammonium nitrogen and nitrate nitrogen reserves in soil were studied experimentally.

Description: A microorganism. Mycelium often grows from the center to the periphery, so it is also called radioactive bacteria. Tetracycline and oxytetracycline are fermentation products of actinomycetes.

22. Baseline sentence: You can look at the entire cement industry and the entire steel industry. They are also making greater contributions to environmental protection, because you are no longer rewarding each emission reduction, but rewarding emission reductions outside the baseline.

Description: The line segment used as reference during measurement.

23. Line segment sentence: Finally, you can click the related button (fifth from the left) and draw a line segment from the Person class to the Address class, thus drawing the relationship diagram between the two classes.

Explanation: the limited part between any two points on a straight line.

24. general line sentence: in addition, when the central government planned to adopt the policy of unified purchase and marketing, it was included in the general line of the transition period from the beginning to transform the traditional urban-rural production relations.

Description: The most fundamental policy and criterion guiding all aspects of work in a certain historical period: the transition period from capitalism to socialism ~ | socialist construction ~.

25, ultraviolet lamp sentence: If the ultraviolet lamp is installed in the lighting lampshade (glass plate), it is useless, because ultraviolet rays cannot penetrate the glass, and its lamp tube is timely glass, not silicate glass.

Description: Mercury lamp that emits ultraviolet rays by discharging in low-pressure mercury vapor. Lamp tubes are generally made of timely glass that can transmit ultraviolet rays. Commonly used in physical therapy, sterilization, seam detection, photo printing and so on.

26. Radio navigation sentence: Although the Global Positioning System (GPS) is the most accurate radio navigation system at present, there are still many users who are not satisfied with the original accuracy of GPS positioning and hope to obtain higher performance.

Description: Use radio technology to determine the position of aircraft and ships and guide them to sail correctly and safely.

27. Snow Line Sentence: This parrot, which is native to New Zealand, can only be found in or near the mountains of the South Island. Here, they live in high-altitude beech forests and open subalpine herb areas extending to the snow line.

Description: the dividing line of snow-covered areas all year round. The height of the snow line generally decreases with the increase of latitude. Near the equator, the snow line is about 5 kilometers high. In the polar regions, the snow line is the horizon.

If you know the exact direction and speed of the shot put when it leaves the hands of the Olympic athletes, then you can use a linear equation to accurately predict how far it can fly.

Description: See [Linear Equation].

29. Making sentences with wool: Miss Chá vez, who looks thin with braids, glasses and wool hat, told reporters that attending the royal wedding was her childhood dream, and her participation in this activity was inspired by the late Princess Diana.

Description: (1) coarse silk thread for embroidery. ② wool.

30. The mass line sentence: * * The principle of Marxism-Leninism that the people are the creators of history has been systematically applied to all the activities of the Party, forming the mass line for all the work of the Party.

Description: The basic line of all work in China. On the one hand, in all work or struggle, we must trust and rely on the masses and organize them to solve their own problems with their own strength. On the other hand, leaders are required to implement the principle of "from the masses, to the masses", that is, to formulate principles and policies on the basis of concentrating the opinions of the masses, give them to the masses for discussion and implementation, and constantly revise them according to the opinions of the masses in the process of discussion and implementation, so as to gradually improve them.

3 1, basic line sentence-making: If you look back at1the works of the greatest thinkers in the 9th century, you will find that many extraordinary intellectual achievements have taken this basic line.

Description: the fundamental and decisive route.

32. Double-track sentence: According to the types of traction power supply systems such as at, BT, direct supply, single line and double line, and the electrical characteristics of traction catenary under various power supply modes, this paper establishes a unified mathematical model, namely the four-terminal network cascade model.

Explanation: For a railway or tram track with two or more tracks, the opposite directions can run at the same time (different from' monorail').

33. Curve Sentence-making: The key point of Metcalfe's law lies in the inflection point in its curve, that is, because there are enough users, every time a new node is added, there are not a few but millions of new connections.

Explanation: (1) A line formed by continuously changing the direction when the moving point moves. (2) Lines representing physical, chemical and statistical processes varying with parameters on a plane.

34. Parallel Sentence-making: The deserved pioneer of this subject is an English professor at SeanHoadeAlabamaatTuscaloosa University! He drew a parallel line between American consumption patterns and zombies.

Description: Two straight lines that extend arbitrarily in the same plane but never intersect.

35. vertical sentence: studying the vertical distribution of sediment concentration in water under the action of waves and tidal currents is an important basis for analyzing the sediment transport law on the beach surface of silty coast under the action of waves and tidal currents.

Explanation: When a straight line is perpendicular to another straight line or plane, this straight line is the perpendicular of another straight line or plane. Also called vertical line.

36. Ground wire sentence: Starting from the typical structure of OPGW, this paper describes the manufacturing technology and equipment of materials used in products, optical units and ground wire units, and discusses how to make them localized, expecting that the localization degree of OPGW will be improved obviously.

Description: the wire connecting the electric appliance with the ground. In radio technology, ground wire is often used as the loop of high frequency circuit. The metal shell of other electrical appliances is often connected with grounding wire to prevent the internal insulation of electrical appliances from being damaged, and the shell is charged when an electric shock accident occurs.

37. Line Sentence-making: In the report designer of SSRS, we add text boxes and check marks at all positions where information in the database needs to be displayed, and set their positions according to the lines on the background image.

Description: (1) When drawing curves or straight lines, the lines are thick or thin: thick | This painting is very soft. (2) Curvature of the outline of human body or handicraft.

38. Waterline sentence: The storm in KhyberPakhtunkhwa was followed by the second wave of weather changes, and a large amount of monsoon rainfall was sown on the waterline of Punjab from August 2 to 9, Khan said.

Description: the contact line between the outside of the hull and the horizontal plane.

39. Sentence making: This view is incorrect; It's a bit like saying that we only do one activity at a time, and we can continuously decide where to turn next, so we don't need to plan the route.

Explanation: (1) The road from one place to another (usually designated or selected). (2) The fundamental way to follow ideologically, politically and at work is to uphold the Party's fundamentals.

40. Meridian sentence-making: Objective To explore the evidence and laws of morphological and positional similarity between connective tissue in fascia space of human lower limbs and meridians and meridians by using computer automatic identification and three-dimensional reconstruction technology.

Explanation: (1) The longitudinal thread on a fabric or loom. (2) An imaginary line along the earth's surface, which connects the north and south poles and is perpendicular to the equator. Also known as meridian. It is customary in the world to use the meridian of Greenwich Observatory in Britain as the prime meridian. See longitude.

4 1, Tropic of Cancer Sentence: My professor designated HenryMiller's Tropic of Cancer as the topic of class discussion, but my father signed a petition in the church to prohibit him from receiving education.

Explanation: The latitude circle on the earth located at 23 27' north and south of the equator. The one in the north is called the Tropic of Cancer, and the one in the south is called the Tropic of Cancer. From summer solstice, the direct sunlight is 23 27' north latitude; In winter solstice, the sun shines directly at 23 27' south latitude. The direct range of the sun is limited between these two latitudes and moves back and forth, so it is called the Tropic of Cancer.

42. High-voltage line sentence: However, in daily life, "high-voltage line" is often used to refer to rules and regulations that must not be violated, because once violated, the consequences may be as deadly as touching high-voltage lines.

Explanation: A conductor that carries high voltage current.

43. sentence of light: once such a planet is discovered, we must find ways to dim the light emitted by its star, so as to "see" the planet completely and analyze its atmosphere.

Note: See "Light" ①.

44. Tangent sentence: If you agree with my estimate, then as an investor, you should do so. You should just hold it.

The investments that meet this tangent portfolio ratio are 9% oil, 27% stocks and 64% bonds.

Explanation: A straight line that only intersects a circle at one point.

45. Making sentences with latitude and longitude: Taking latitude and longitude as a metaphor, the cultures of all nationalities in the world are like longitude lines, and the development process of national cultures is like latitude lines. Countless warp and weft weave the rise and prosperity of urban landscape.

Explanation: (1) the horizontal line on the weft or knitted fabric. (2) An imaginary line parallel to the equator along the earth's surface. See latitude.

46. Outline sentence: These are based on some assumptions.

There are also meteorological conditions, geological conditions and hydrology.

Add contour lines of land

Around this nuclear power plant.

Explanation: A closed line connected by points with the same elevation on the topographic map, which is used to represent the height of the terrain.

47. Magnetic field lines: The research team pointed out that these antiparticles seem to form a thin belt around the earth, moving around the magnetic field lines of the earth and shuttling back and forth between the north and south poles of the earth.

Description: a line indicating the strength and direction of a magnetic field. The tangent direction of each point on the magnetic field line is consistent with the magnetic field vector of the corresponding point on the magnetic field. Put a glass plate in a magnetic field, sprinkle some iron filings on the plate and tap gently, and the shape of the iron filings will show the magnetic field lines.

48. Monorail sentence: During rush hours, every ten minutes, a train consisting of 200 carriages meanders along the monorail in the north of China, heading for the ports and major power stations in the affluent eastern coastal areas.

Description: (1) single line. (2) A railway or tram track with only one set of tracks cannot be used by vehicles in opposite directions at the same time (different from' double track').

49. Gamma-ray sentence-making: In this explosion, the time lag of ultra-high energy gamma rays of 16.5 seconds was observed, which is consistent with some contents of quantum gravity and a very exciting theoretical progress.

Description: See [C-ray]. Also known as gamma rays.

50. Organizational line sentence: At the same time, it also proves the correctness of the organizational line stipulated in the Seventh National Congress of the Communist Party of China and the organization and leadership of the CPC Central Committee after the Seventh National Congress.

Explanation: The basic principles and policies of the organization work stipulated by the state and political parties according to their own political line in a certain historical period. Serving the political line is the guarantee to realize the political line.

5 1, radio transmitter sentence: Your coins and batteries are very simple radio transmitters. Although this transmitter can't transmit very far, if you know a little morse code, you can communicate with this device.

Description: A radio device that can generate high-frequency electromagnetic wave emission signals. Commonly known as transmitter or transmitter.

52. Radio sentence: The data will help to find a spouse, but ChristianRudder, a partner of the website, told AudieCornish of China Public Radio that the information also revealed some truths that we didn't want others to know.

Explanation: A device capable of transmitting and receiving radio signals. It consists of antenna, radio transmitter and receiver. It is called radio.

53. Bottom line: In fact, this is not because of the rising level of the outside shooting of the United Arab League, but because the teammates of the Nets can find out his existence in time and pass the ball to him to shoot at the most appropriate time.

Description: (1) Take the battle line around the enemy's situation: ~ fight. (2) Where there is a telephone extension, it is called an outside call.

Boundary sentence: Therefore, are we creating a new elite class, or are we drawing a new boundary for the world to distinguish those who have the conditions to exchange and acquire knowledge from those who have no conditions?

Explanation: (1) A line dividing two areas. (2) the boundary between different things; Boundary 1. (3) the edge of something

55. Tropic of Cancer Sentence: My professor designated henry miller's Tropic of Cancer as the topic of class discussion, but my father signed a petition in the church to prohibit him from receiving education.

Explanation: 23 27' N. Look at the Tropic of Cancer.

56. I said that I live the same life every day, but I have different gains. You said that the role of time is to thread the needle. The only thing is that summer is over and autumn is coming. I desperately cling to green, but I can't find the trace of spring.

Allusion: Let one end of the thread pass through the eye of a needle. Metaphor is to connect and learn from it.

57. Making sentences with one stitch and one thread: Perhaps, young women prefer to call it "creative handwork", and sewing with one stitch and one thread is endowed with too many fashionable elements and aesthetic significance.

Allusions: Metaphors are tiny things.

58. Take a long line to catch big fish: Danny is often impulsive and sometimes too hasty, so he must learn how to be patient before he becomes a master of taking a long line to catch big fish.

Allusion: Metaphor means to take a long-term view. Although you can't get immediate results, you can get more benefits in the future.

List of words related to word combination How to group words and how to group polyphonic words and word groups.

Jade line, upper line, thief line, straight line, station line, walking line, branch line, middle line, special line, eyeliner, snow line, thread outfit, fragrant line, diagonal line, smoke line, along line, positive line, thread, coil, thread shrimp, thread hemp, thread carpet, thread, line segment, informant, thread, thread wisp, thread. Bait line, broken line, top line, short line, bottom line, thread, live line, epiphyseal line, red line, grain line, thread, pipeline, defense line, normal line, rerouting line, double line, sprinkling line, hotline, curve, wool, purlin line, tangent line, warp line and connecting line. Wool, inner thread, matchmaking thread, green thread, average thread, open thread, flower thread, spine thread, fishing thread, chalk thread, second thread, front thread, palace thread, blessing thread, sewing thread, radiation thread, black thread, purchasing thread, * * thread, secant thread, trunk line, aviation thread, cross thread, wool thread, whole thread, soft thread, etc. Conductor, parallel line, sideline, cycloid, hidden line, end line, single line, hanging line, ground line, front line, needle and thread, heald line, sewing line, axis line, brick line, alignment line, rain line, main line, broken line, main line, busy line, front line, tweed, rope, shoes, dotted line, first line, etc. Narrow thread, thread lug, silver button thread, catenary thread, refraction thread, sewing thread, primary coil, sewing kit, sewing thread, warp thread, general route, trunk line, midline lamp, heavy vertical line, trunk line, sewing thread person, electric field line, isobar, horizontal line, first line, telephone pole, low tide line, isoline, three-flavor line, etc. Lifting line, life-and-death line, 38th parallel, Frye line, curve, coastline, infrared ray, red line transmission, high voltage line, isotherm, landscape line, blockade line, winter to daily line, dividing line, pholiota adiposa, tropic line, asymptotic line, gradient line, tension line, hunger line, common tangent line, operator, traffic line, vertical line and bending plate. Gold wire spring, unidirectional wire, parabola, helix, figure, red line drawing, parting line, radiation, parting line, diagonal line, spinning line, mirror hanging line, * * line, Sin Nui Hung, contour line, power line, vertical line, fuse, parking line, thick line, socks off line, mulberry root line, semi-straight line, etc. Five-color line, mitochondria, winding, linear speed, one-dimensional line, trailing line, one-dimensional line, mainstream line, ultraviolet ray, interior line, needle and thread, transportation line, cable broadcasting, cosmic ray, cable telegraph, soap and hemp thread, one chance, one-line path, needle walking, non-planar straight line, B-ray, broken kite, linear algebra, wireless. C-ray, Yagi antenna, walking needle, grass snake gray line, needle threading, needle threading, guy pulling, kite breaking, curve movement, wireless charging, single-track railway, overhead line, United front, practice curve, tourist route, upper-level route, heel wireless, A-ray, basic route, sliding resistance, flying needle route, etc. Railway trunk lines, wireless cables, radio stations, fine-needle dense lines, linear programming, magnetic antennas, infinite lines, infinite lines, holding curves, long lines, mulberry lines, single-line connections, single-wire non-wires, broken kites, broken pearls, broken puppets, quadratic curves, needle tails, organizational wires, cable TV, wired telephones, conic curves and political wires. Linear expansion coefficient, linear equation, line loss, puppet drawing, linear motion theory, wired electric communication, solubility curve, infrared communication, parabolic antenna, McMahon line, Ma Qinuo line, triple perpendicular theorem, crosswalk line, monofilament nonlinearity, median perpendicular, infrared photography, prime meridian, three-phase four-wire system, three-phase three-wire system, antenna amplifier, wireless fax, wireless communication, etc. Radio navigation, alpha-ray, cathode ray tube, X-ray, patriotic United front, Archimedes spiral, infrared sight, long-line fishing, * * * antenna system, the party's basic line, uniform linear motion.