| 单词 | air-route surveillance radar | 
| 释义 | air-route surveillance radar [¦er ´rüt sǝr¦vā·lǝns ´rā´där]  NAVIGATION A long-range (approximately 150- mile or 240-kilometer) radar used by the Federal Aviation Agency to control air traffic between terminals. Abbreviated ARSR.  | 
	
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