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precision approach procedure
avia. 精密进近程序; 精确进场程序
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precision approach procedure
avia., Canada An instrument approach procedure IAP using azimuth and glide path GP information provided by an instrument landing system ILS, a microwave landing system MLS or a precision approach radar PAR. There are three types of precision approaches: c precision approach CAT I; d precision approach CAT II; and e precision approach CAT III.
precision approach procedure
: 2 phrases in 1 subject
Aviation2

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