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单选题
下滑道路径是与跑道的端头成一个固定的角度。
A
The glideslope path is at a constant angle to the threshold of the runway.
B
The glideslope path is at a variable angle to the first end of the runway.
C
The vertical course path is at a fixed angle to the threshold of the runway.
答案解析
正确答案：A
相关知识点：
下滑道与跑道端头角度定
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