您要查找的是不是：
- hyperbolic pencil of circles 双曲性的圆束
- They had to accept the blue pencil of the censor. 他们不得不接受检查员的修改。
- We like the masterly pencil of Rembrandt. 我们喜欢伦勃朗的精巧画法。
- It is better to go straight than to move in the best of circles. 大步直行胜过绕圈子。
- pencil of circles 圆束
- Construct the nephroid as the envelope of a family of circles. 作一由圆族包络线所形成的肾脏线.
- It marked out a race-course, in a sort of circle. 它先画个圆圈似的跑道。
- BICIRCULAR QUARTICS FORMED BY THE INTERSECTION POINT OF TWO LIKE-PROJECTIVE PENCILS OF CIRCLES 类射影对应圆束法构成重虚圆点四次曲线
- What is diameter of circle provided? 着陆区直径?
- No number of circles can make a square, and vice versa. 圆周再多，也成不了正方；反之亦然。
- Construct the cardioid as the envelope of a family of circles. 作一由圆族包络线所形成的心脏线.
- elliptic pencil of circle 椭性圆束
- Producers play a key role in the development of circling economy. 摘要发展循环经济，首当其冲的主体就是生产者。
- The center is still and silent in the heart of an eternal dance of circles. 在永恒的光环之舞中,圆心安静而沉默。
- The centre is still and silent in the heart of an eternal dance of circles. 在圆圈永恒的舞蹈中,圆心沉寂着。
- By using the projective geometry,some schemes for generating rational curves from pencil of lines are investigated in this paper. 采用射影几何学方法，研究从直线束生成有理曲线的技术方案。
- Train the children on concepts of entirety and parts, the rolling of circles. 训练幼儿思维考虑局部和整体,学习图形的转动,训练抽象思维。
- Most of the stones of Stonehenge stand in incomplete formations of circles. 多数的石头以一种未完成的形式站立着。
- A crescent-shaped portion of a plane or sphere bounded by two arcs of circles. 球面二角形由圆的两弧合成的球，或飞机的月牙形的那部分。
- Pen and pencil poke out over the top of his coat pocket. 钢笔和铅笔从他上衣口袋上面戳了出来。
