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conduct surveillance

conduct surveillance

conduct surveillance

conduct surveillance

2

During World War I and WW II, the U. S. military enlisted more than 200 , 000 pigeons to conduct surveillance and relay messages.

在第一次世界大战和第二次世界大战期间，美军征募了超过 20万只鸽子用于实施监测和转达信息。

3

stake out To assign (a police officer, for example ) to an area to conduct surveillance.

指派（如警官）去一个地区进行监督

4

To conduct surveillance, surprise audits and inspections in corruption prone places or works ;

监察、检视及突击审核贪污较易滋长的地方及工作；

5

Conduct surveillance on infection hazards in health care and non-health care setting ;

监测医护及非医护环境的感染风险；

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