Through judging the relation of the position between the circle clip window and the line to be clipped, a new line-clipping algorithm is given based on the correlative literatures.

在相关文献提出的基于矩形窗口裁剪的圆形窗口裁剪算法的基础上，通过判断圆形窗口与待裁线段的位置关系，提出一个免解二次方程的圆形窗口裁剪算法。

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The rounded cams touch the rock, and the stem bar between them is where you clip in. The axle bolt is the circle where they all meet.

圆形的凸轮接触岩石，两个凸轮之间的柄就是手握的地方，轮轴螺丝连接凸轮和手柄。

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Brennan faked a shot at the right point and slid a pass across the zone to defense partner Campbell, who fired a slap shot from the upper inside edge of the right circle that appeared to clip the stick of Rangers defenseman Ryan McDonagh before it sailed past Lundqvist at 8:22.

WSJ: Markstrom, Panthers stop Rangers 3-1