search surveillance的意思|示意

Five mobile surveillance teams in Uige continue to investigate rumours and search for additional cases.

在威热的5个流动监测小组继续调查传闻和查找其他病例。

The helicopters will be used for search-and-rescue missions, casualty evacuation, observation and surveillance, and limited electronic intelligence gathering.

据悉，该类轻型直升机将被用于搜索和救援任务，疏散伤员，观察和监视，及限制电子情报的搜集。

Population-based surveillance studies using laboratory-confirmed cases were sought for each incidence group by a computerized search of the scientific literature.

检索相关科学文献，为每个发病率组检索出基于人群监测研究并采用实验室检查确诊的病例数据。