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Aeronautical Information Regulation and Control
航空	Havacılık Bilgi Düzenleme ve Kontrolü (Natalya Rovina)
英语 词库
Aeronautical Information Regulation and Control
航空, 加拿大	A system aimed at advance notification, based on common effective dates, of circumstances that necessitate changes in operating practices
aeronautical information regulation and control
航空	... a system aimed at advance notification based on common effective dates, of circumstances that necessitate significant changes in operating practices.