primary surveillance radar (psr) meaning in Chinese
主搜索雷达
Examples
- A ssr can provide more useful information than primary surveillance radar ( psr ) but is subject to the proper functioning of the aircraft s transponder
二次监察雷达较一次监察雷达能提供更多有用的资料，但须依赖航机上应答器之正常运作。 - For more than 25 years , the old radar served as a primary surveillance radar ( psr ) with coverage of 200 nautical miles for en - route air traffic surveillance . it is necessary to replace the old radar because of its age and difficulty in acquiring spares
运作逾二十五年的旧雷达为一支监察雷达，具备二百海里以内航空交通航路监察功能。由于旧雷达老化，及采购该雷达的零件亦十分困难，故有需要进行更换。
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