How to read zoom and what is its use?

Zoom pronunciation: British [zu?m], American [zum]?

Definition

n. Rapid rise; buzz; [Photo] zoom Photography

vi. Rapid rise; camera movement

vt. Make the camera move

Phrases

zoom out? Zoom out; zoom out the display; Zoom out; zoom in

Zoom Tool? Zoom tool; Magnifying glass tool; used to drag in the event display window to zoom in and out; Magnifying glass

ZOOM RING? Zoom ring; variable focal length circle; zoom circle; zoom ring

zoom ratio?zoom ratio; magnification;?[photography]?zoom magnification; variable zoom ratio

Zoom clip?zoom clipping

image zoom?[calculator]?[TV]?image zoom; image zoom; image display zoom; picture zoom

cross zoom? cross zoom; cross zoom; reverse zoom transition; cross Zoom

Zoom Previous?Zoom to the last time; Zoom to the previous time; Zoom to the previous step; Zoom to the previous one

zoom control?Zoom control; Display options; View control; Translation

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Extended information:

1. Zoom in and out on a person, place, event, or subject of interest.

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The camera moves in and out of a person, interesting location, event or subject. ?

2. Although we have our concerns as to the safety of that zoom in our pockets, there's no doubt that Sanyo has upped the ante for this type of device. ?

Although we have our concerns as to the safety of that zoom in our pockets, there's no doubt that Sanyo has upped the ante for this type of device. We have doubted the safety of the zoom lens when it is placed in the pocket, but there is no doubt that Sanyo has increased the cost investment in this product. ?

3. The shape of the detector must match the varying curvature of the image surface to accommodate continuously adjustable zoom, and this is easily done with this new hemispherical eye camera.

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The shape of the detector must match the changing curvature of the image surface to accommodate changes in the continuously adjusted zoom lens, which is easily accomplished with this new hemispherical eye camera.

Reference material: What does zoom mean - Youdao Dictionary