Timing information is then transmitted to an entity of the asynchronous cellular communication system to determine time-of-day at the entity.
接着，将定时信息发射到所述异步蜂窝式通信系统的实体，以确定所述实体处的日时。
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PWM timing is the most advanced one among all 3-phase asynchronous motor timing methods. This article introduces the essential components of PWM control loop, and the key parts of the loop.