In view of the geometric features of the blade, it puts forward an interference examination method of cutter points by ball cutter and solves the prevention problem of the interference cutter points.

针对叶片几何特点，给出了一种球形刀具刀位点干涉检查方法，并解决了干涉刀位点的避让问题。

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If you aggressively grip this blade it really transfers energy right into the ball. If you grip this blade passively it will really absorb the balls energy more so than most blades I have used.

假如你握拍攻击，它将真实地将力量传递给球，假如你握拍被动防守，它将比我用过的绝大多数底板更能吸收球的能量。

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A spatial model is established firstly for blade curves based on the research of the ball-end milling cutter for machining the complex curved surface.

前刀面与后刀面的刃磨加工是球面铣刀加工工艺中最复杂的加工模型，尤其是球面端刃的前后刀面的加工模型，是研究的热点问题。

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Unlike in a healthy shoulder, where the humerus ends in a ball shape and fits into the shoulder blade to form a shoulder, in reverse shoulder replacement surgery the anatomy is reversed.

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