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单词
advance ratio
释义
advance ratio
n.
【航空】
1.
(of wind speed)
进速比(沿旋翼或螺旋桨轴的风速与叶尖速度之比)
2.
(of flight speed)
前进比(直升机的前飞速度和旋翼尖速度之比)
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更新时间:2026/5/3 19:28:43