surveillance zone的用法和样例：
例句
- The unnecessary surveillance regions in the image can be masked.
多余的监视区在图象可能被掩没。 - A three-kilometer exclusion zone has been established around the affected farm as well as a ten-kilometer surveillance area.
在受感染农场周围已经建立起三千公里的隔离区以及一万公里的监视区。
surveillance zone的相关资料：
临近单词
surveillance
surveillance attribute data
surveillance reconnaissance
Surveillance Summary Reports
Surveillance and instruction
surveillance- alarm system
Surveillance Aided Intercept
surveillance radar equipment
surveillance of death causes
surveillance detection system
Surveillance Aircraft Company
