... 椭圆几何：elliptic germetry 椭圆的离心角：eccentric angle of an ellipse 椭球面坐标：ellipsoidal coordinates ...
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以椭圆的离心角为积分变量，得到椭圆柔性铰链的转角计算的积分公式，推导出椭圆柔性铰链的刚度表达式。
In this paper, an integral formula for elliptical flexure hinge is deduced by introducing centrifugal Angle as the integral variable.
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