circle repair segment 转盘修理组件
motor grader circle tooth segment 动力平地机转盘齿段
circle curve segment 圆曲线段
The other children stood around the circle, one in each segment.
其他孩子围着圆圈而站,每一半圈里站着一个孩子。
An ordinary definite integral is defined over a line segment, whereas a line integral may use a more general path, such as a parabola or a circle.
普通定义的积分是定义在一段线段上的，而线积分则用更一般的路径，像抛物线或圆。
Based on profound study of various position relations between a line segment and a circle, a simple and rapid clipping algorithm for circular window is presented in this paper.
通过对直线段相对圆的各种位置关系作深入的研究，提出了一种简单而迅速的圆形窗口裁剪算法。
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