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- Inverson of a Circle : Into a circle, if the circle pass through inversion center O, it becomes a straight line. 圆的反演：反演成一圆。但当圆通过反演中心时变成一直线。
- A great circle passing through the two poles of the celestial sphere and the zenith of a given observer. 天体的经线通过天体上两极和一假定观测物天顶的大圈
- Meridians are great circles passing through both poles. 经线均为通过两极。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- This paper proposes a method to build the mathematical model of special curve with circling pass point and line partition. The software scheme is also developed in this paper. 提出采用过点作圆法进行线段分割来建立空间列表曲线的数学模型的方法,并给出了软件实现方法。
- 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。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He has a large circle of friends. 他有一大群朋友。
- The numbness in your foot will soon pass off. 你脚上的麻木感一会儿就会消失。
- She moves in a very small circle. 她的活动圈子很小。
- A long line of car is unable to pass that road hog. 一长串的车子无法超越那个挡道的汽车驾驶。
- I excerpted one pass age from his diary. 我从他的日记中节选了一段。
- He has a wide circle of acquaintances. 他交游甚广。
- 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
- He made motions to me to pass the pen. 他向我打手势，要我把钢笔递给他。
- A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。
- She stopped by just to pass the time of day. 她来串门只是为了打发时间。
- Sorry, exercise circle is sold out. 对不起，健身圈卖完了。
- We cannot pass this matter by without protest. 我们不能对此事听之任之。
