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visual approach slope indicator
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通讯, 电子产品
indicateur visuel de pente d'approche
;
indicateur lumineux d'angle d'approche
英语 词库
visual approach slope indicator
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航空, 加拿大
A visual glide slope indicator
VGSI
consisting of four light units normally situated on the left side of the runway in the form of two wing bars, referred to as the upwind and downwind wing bars, and indicating that the aircraft is on slope if the upwind bar shows red and the downwind bar shows white, too high if both bars show white, and too low if both bars show red.
(VGSI)
Visual Approach Slope Indicator
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缩写, 苏格兰语
VASI
visual approach-slope indicator
:
4 短语
, 2 学科
航空
1
运输
3
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