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单词 precision approach radar
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precision approach radar
precision approach radar n. a ground-based radar system used to follow accurately the approach of an aircraft and to enable landing to be supervised from the ground.
ΘΚΠ
the mind > attention and judgement > discovery > instrument for detection > [noun] > radar system
radiolocation1935
televisibility1940
radar1941
precision approach radar1950
PAR1951
MTI1956
AWACS1966
1950 Electronics Feb. 71/1 (heading) Airport surveillance and precision approach radar (GCA).
1965 J. L. Nayler & E. Ower Aviation To-day xvii. 250/2 Ground Controlled Approach.., also known as Precision Approach Radar, gives the position of an approaching aircraft in elevation, azimuth, and range relative to the touch-down point on the runway.
1997 AOPA Pilot Nov. 45 During an electrical failure..a precision approach radar..may be your only ticket to the ground in one piece.
extracted from precisionn.adj.
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更新时间:2024/12/24 20:14:18