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positive control

[‘pozɪtɪv kɔn’trəul]
med. controllo positivo
med., pharma. sostanza per i controlli positivi
 English thesaurus
positive control [‘pozɪtɪv kɔn’trəul]
USA 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
: 14 phrases in 6 subjects
Chemistry1
Life sciences2
Mechanic engineering1
Medical8
Pharmacy and pharmacology1
Transport1

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