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- On the base of Hertzian stress theory of elastic mechanics,a new kind of disk cam mechanism whose follower has concave circle arc bottom is developed. 根据弹性力学的赫兹应力理论，提出了一种从动件结构形状为凹圆弧底的新型盘状凸轮机构。
- Also the curves can express the circle arc and ellipse arc and can construct rotate surfaces. 同时它还能精确表示圆弧、椭圆弧等二次曲线,推广到空间即可以表示旋转曲面。
- It accurately calculates the length of each circle arc segment and beeline segment and elicit the calculation method of perimeter on the basis of shape analysis of semicircle welded pipe. 在对半圆形焊管形状分析的基础上,精确计算了各圆弧段、直线段的长度,得出了周长的计算方法。
- circle arc cylindrical worm screw 圆弧圆柱蜗杆
- The circle arc interpolation algorithm of eight octants 八卦限式的圆弧插补算法
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- An arc is a part of the circumference of a circle or other curved lines. 弧是圆周或曲线的一部分。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- Increasing parameter method of circular arc approximation for plane parameter curve 用圆弧逼近平面参数曲线的参数递增算法
- The children formed a circle round her. 孩子们在她周围围成了一个圈。
- We've booked seats in the circle. 我们预订了楼厅包厢的座位。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- He has a large circle of friends. 他有一大群朋友。
- She moves in a very small circle. 她的活动圈子很小。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- He has a wide circle of acquaintances. 他交游甚广。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。
