A perpendicular bisector of a chord passes through the centre and bisects the arc.
弦的垂直平分线经过圆心,并且平分弦所对的两条弧。
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)。
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)。
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