In 1879, Siemens delivered China's first power generator to light the busy Shanghai Port, which enabled around-the-clock operation.

1879年，西门子就向中国提供了第一台蒸汽发电机，用于繁忙的上海港照明。

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Operation of the clock timing used in the simulation of the way rather than the interruption of conventional methods.

操作时钟时采用了模拟时序的方式而不是常规的中断方式。

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The battery is used for data back-up in the event of a power failure as mentioned above, and continuous operation of a real time clock.

这个电池的作用是，在发生电源故障前，进行实时数据备份和连续操作。

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The around-the-clock mining operation involves dozens of specialists drawn from across the U.S. national-security agencies.

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An around-the-clock cleanup operation began Saturday, with workers scrubbing streets and driveways in the Northwood subdivision, CNN affiliate KATV reported.

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On the plus side, the app sells rooms around the clock, unlike other apps that are not in operation for parts of the day.

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