By monitoring both voltage and power, the unit measures the normal working load, then calculates and sets an automatic shutdown point for detected power changes.

通过监测动力电压，该装置先对正常的工作量进行测定，然后依据被测动力发生的变化，估计并设定一个自动的关闭点。

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For the ballistic missile using perturbation guidance, the computation of partial derivative at shutdown point is very important for data calculation and validation.

对摄动制导的弹道导弹而言，关机点偏导数和全导数计算及其校验是导弹诸元计算中的重要环节。

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However, the pages will need to be written to disk at some point, which could be as late as during database shutdown.

然而，这些页需要在某一时刻写到磁盘上，这个时刻可能会在数据库关闭时才会轮到。

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We generally think of the shutdown of sites like Napster and Megaupload as being about stopping unauthorized copying, but the real point is to ensure that if someone finds a profitable business model using copyrighted content, they have a strong incentive to get a license to use the content.

FORBES: What is Copyright For?