英语词汇“power-failure speed ratio”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	power-failure speed ratio
释义	power-failure speed ratio power-failure speed ratio (V1/VR) The ratio of decision speed (V₁) and rotation speed (V_R) for a given aircraft weight and runway dimensions. Those aircraft not associated with V_R (rotation speed) use V₁/V₂ as a graphical representation of aircraft performance data.
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power-failure speed ratio