The method and the device acquire and judge the alternating current directly, shorten the signal acquisition time and the protective time during overcurrent.

本发明直接对交流电流进行采集和判断，缩短了信号采集时间和电流过流时的保护时间。

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This type of surgery involves constantx-rays and can take a long time to complete, exposing the physician toharmful radiation and mandating that they wear a heavy protective vestwhile operating.

这类手术需要恒定的X光，并且需要耗费很长时间才能完成。 手术过程中放射出的X光会对医生造成有害辐射，在手术过程中必须要求医生穿上防护性背心。

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Remember the three protective factors: Distance, shielding, and time.

要记住躲避核辐射的三因素：距离，掩体，时间。

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Child protective services at this point in time is not involved in these investigations.

CNN: D.A., sheriff discuss Jackson allegations

Mr. Musharraf's lawyer told the court that no judges were detained, but protective security was put around their homes at the time.

WSJ: Musharraf Flees as Court Orders Arrest

The rapper, who had been in protective custody because of his celebrity, has some time remaining on a 28-month sentence for tax evasion that ran concurrently.

WSJ: Rapper Ja Rule leaves NY prison in gun case