Postal enterprises shall inform the Customs of their business hours in advance, and the Customs shall promptly send officials to supervise on-the-spot checking and examination.

邮政企业应当将作业时间事先通知海关，海关应当按时派员到场监管查验。

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METHODS Microbial monitoring of the clinical departments periodically and checking up on the spot at any time were conducted.

方法对临床科室进行定期微生物监测和不定期现场督促检查。

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A new method of data spot checking based on outlier mining is proposed, which promises a solution to the lack of validity using traditional data spot checking method.

针对传统数据抽查方法很难保证数据抽查有效性的缺点，结合离群数据挖掘，给出了一种基于离群数据挖掘的数据抽查新方法。

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Spot-checking zip codes on the coasts, though, shows a much higher level of participation, so it may heavily depend on where you live.

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