Its specially-shaped leaf spring constitutes a triangle with the candle being fixed in the position of inscribed circle of the triangle.

在蜡台上设有特殊的成型片弹簧。弹簧夹口呈三角形状，蜡烛被固定在三角形内切圆位置上。

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Stresses the normal return of the mechanical spring, while the upper right corner of the screen to observe whether the triangle has a reverse action.

讲弹簧机械正常的归零作用，同时要观察屏幕右上角的三角是否有反向动作。

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Surfaces are flattened with quasi-symmetrically distributed triangle strips based on a mass-spring model.

基于质点-弹簧模型的曲面准对称化展开算法展开三角化曲面；

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