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positive control

运输, 航空 positiv kontrol
 英语 词库
positive control
美国 A method of airspace control that relies on positive identification, tracking, and direction of aircraft within an airspace, conducted with electronic means by an agency having the authority and responsibility therein (JP 3-52)
Positive Control
: 8 短语, 5 学科
医疗的2
机械工程1
生命科学2
药店1
运输2