What kind of weather system is the "crisp autumn" weather in northern China? ...

According to the common weather systems and their corresponding weather characteristics, it can be known that the weather controlled by warm front and cyclone weather systems is mainly rainy weather, and the weather controlled by cold front weather system is characterized by cooling down and being cold, while "crisp in autumn" means that the weather is clear and formed under the control of anticyclone, which often appears in the northern region every autumn.

Test center: This question examines the weather system.