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英语词库

instrument approach

[‘ɪnstrəmənt ə’preutʃ]

航空, 加拿大

A series of predetermined manoeuvres by reference to flight instruments with specified protection from obstacles from the initial approach fix, or where applicable, from the beginning of a defined arrival route to a point from which a landing can be completed and thereafter, if a landing is not completed, to a position at which holding or en route obstacle clearance criteria apply

instruments approach

: 1 短语, 1 学科

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