Meanwhile, the synchronizing communication realized by main clock is discussed, and the solution is brought forth to prevent system from breakdown due to main clock's fault.

论文还对通过建立主时钟实现总线系统同步通信机制进行了探讨，并给出了主时钟故障时防止系统崩溃的解决方案。

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The lead researcher Clifford Saper explains: the neat thing about this second clock is that it can override the main clock... and you should just flip into that new time zone in one day.

这项研究的首席研究员Clifford Saper解释说：第二时钟最妙的地方就在于它可以覆盖我们的主时钟，也就是说你应该可以在一天之内将你的生物钟调整到一个新的时区。

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The main spring of the alarm clock is broken.

闹钟的簧断了。

《新英汉大辞典》

Three nights a week, Prannoy Roy anchors the main, 9 o'clock news on India's top-rated English-language news channel, NDTV 24x7.

FORBES: Magazine Article

The county council said gritting teams would work around the clock to ensure main routes were ploughed and well salted.

BBC: Drivers warned of icy roads after heavy snowfall

While Apple's smallest touchscreen device gained new software that enlarged the main icons and brought new clock faces, these improvements are also being offered to owners of the last-generation iPod nano via a software update.

ENGADGET: Switched On: Next for the nano