限制区域 Restricted Area ; area of limitation ; forbidden area ; restricted airspace

任意形成的限制区域 Arbitraryly formed restriction areas

限制降落区域标志 restricted landing area mark

调整限制区域 Limited Region

限制搜索区域 restricted searching area

动态限制搜索区域 dynamic restricted searching area

受限制区域 restricted area

口岸限制区域 restricted areas in ports