对于地面效应 以下哪些说法是对的？ About ground effect Which of the following statements ar
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对于地面效应，以下哪些说法是对的？ About ground effect, Which of the following statements are true？
A．机翼升力线斜率增加 Wing lift-curve slope increases.
B．平尾升力线斜率增加 Tail lift-curve slope increases.
C．中性点前移 Neutral point moves forward.
D．下洗角增加 Downwash angle increases.
E．飞机重心前限后移 Most forward CG location moves aftward.
回答
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机翼升力线斜率增加;平尾升力线斜率增加;重心前限后移