传送到我们身体的主时钟的信号告诉我们什么时候该睡觉，什么时候又该打起精神。

The light signals sent to your body's master clock tell you when to be sleepy and when to be alert.

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这些额外的信号会让身体主时钟更晚察觉夜幕的降临。

The extra light input can push your master clock's sense of night ever later.

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从时钟利用主时钟发来的时钟信号，通过数字锁相环恢复出本地时钟信号。

With the signal from the master clock, the slave clock is able to recover an accurate local clock signal using a Clock Recovery Phase Locked Loop (PLL).

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从时钟利用主时钟发来的时钟信号，通过数字锁相环恢复出本地时钟信号。

With the signal from the master clock, the slave clock is able to recover an accurate local clock signal using a Clock Recovery Phase Locked Loop (PLL).

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