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- In the 1840s an astronomer called Urbain Le Verrier noticed there was something wrong with the orbit of Mercury.The main axis of the planet's orbital ellipse shifts each time it goes round the sun. 1840年一位叫做勒威耶的天文学家发现水星的轨道有些奇怪：其椭圆轨道的主轴每当靠近太阳的时候会产生偏移。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- orbital ellipse 轨道椭圆
- osculating orbital ellipse 密切轨道椭圆
- 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。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- 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。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- Resembling an ellipse in shape;elliptical. 椭圆形的形状类似椭圆的，椭圆的
- Of, relating to, or having the shape of an ellipse. 椭圆的椭圆形的、与椭圆形有关的或具有椭圆形的
- Create an ellipse using elliptical shape tool. 使用椭圆工具再创建一个椭圆。
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- Ellipse inlet aperture of grape wine. 产品描述:葡萄酒椭圆人孔。
- 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。
- An arc is a portion of an ellipse. 弧线是椭圆的一部分。
- Represents a stylus tip shaped like an ellipse. 表示一个椭圆形的手写笔笔尖。
- 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。
- Adds an ellipse to the current path. 向当前路径添加一个椭圆。
- This is a optimized algorithm about ellipse. 关于椭圆的一个优化算法
