zero-lift chord [航] 零升力翼弦 ; 零升力弦
Or sometimes you can even leave another note of the chord, and lift the one that's squeaking.
或是有时你离开了和弦中的一个音符,而这个音符会有换把杂音。
If no tip weight is added, the CG (or centre of gyration) would be located far behind the centre of lift (about 25% chord point).
如果没有提示的重量是说,企业管治(或中心的回转)将设远远落后于该中心的电梯(约25 %的共鸣点)。
The study shows that: Mini-TED changes the curvature of trailing edge and increases effective aerodynamic chord length for high lift system, is an additional 'aerodynamic flap'.
研究表明:微型后缘装置明显改变了襟翼后缘弯度,对襟翼流动产生有利诱导作用,拓展加长了增升装置的有效“气动弦长”,是一种附加“气动襟翼”。
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