All clocks must have a regular, constant or repetitive process or action to mark off equal increments of time.

所有时钟都必须有一个均匀、恒定或重复的划分时间等量增加的过程或动作。

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All clocks must have a regular, constant or repetitive process or action to mark off equal increments of time.

所有时钟都必须有一个均匀、恒定或重复的划分时间等量增加的过程或动作。

youdao