control radar approach
控制雷达进场
以上为机器翻译结果，长、整句建议使用 人工翻译 。
By 1952, the agency had begun its first routine use of radar for approach and departure control.
到1952年，航空局开启了第一个正式的雷达进离场管制。
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Miami's terminal radar approach control center, or Tracon, guides airplanes from high altitude into airport approach paths and then hands them over to airport control towers.
WSJ: Airlines Dispute Planned Air-Controller Cuts
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