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positive control

医疗的, 药店 kontrola dodatnia
 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
: 6 短语, 3 学科
化学1
医疗的3
生命科学2