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- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- The full moon has a circular form. 满月呈圆形。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- I'm not satisfied with his circular explanation. 我不满意他拐弯抹角的解释。
- The full moon has a circular shape. 满月呈圆形。
- The organization issues a circular every month. 该组织每月发一份通告。
- An instrument that measures circular arcs. 圆弧测定器一种用于测定圆弧的仪器
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- orbital circularization 轨道圆化
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- We have already worked out the conditions for a circular orbit. 我们已经算出了圆轨道的条件。
- Deviating from a circular form or path,as in an elliptical orbit. 偏离轨道运行的偏离圆周轨道或路线，如椭圆轨道
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- A circular or spiral motion, especially a circular ocean current. 游涡一种圆形或螺旋形的运动，特别是做圆环运动的海水水流
- The two spacecraft will link up (with each other) in orbit. 两艘宇宙飞船将於轨道上(互相)连接。
- A painting or an engraving set in an oval or circular frame. 圆形浮雕镶嵌于椭圆形或圆形框架中之绘画或雕刻
- By now, putting satellites in orbit is old hat to space scientists. 现在，对航天科学家来说，把卫星送入轨道已不是一桩新鲜事了。
