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- Abstract Satellites formation design in unperturbed eccentric reference orbit was presented.Relative motion problem was discussed in RAC coordinate system. 摘要 研究无摄动椭圆参考轨道的卫星编队飞行设计,在RAC坐标系下研究两星相对运动问题。
- Don't refer to this matter again, please. 请不要再提这件事了。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- 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。
- This reference book is very useful to our study. 这本参考书对我们的研究很有用。
- Is this reference book of any use to me? 这本参考书对我有用处吗?
- I like to have my reference book within my reach. 我喜欢把参考书放在随手拿得到的地方。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- Tony used no reference books in class. 托尼上课时不使用参考书。
- Evidently shipowner to bear expense refer. 很明显船主应承担此费用。
- There is no further reference to him in her diary. 她的日记中没有进一步提到他。
- 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。
- He spoke in reference to the cowboys. 他谈了有关牛仔的事。
- The book is used as a reference book. 这本书被用来做参考书。
- All such books were bought for reference. 所有这些书都是为参考而买的。
- No. we normally refer to metric ton. 不,我们通常指公吨。
- Botanists refer this flower to the rose family. 植物学家将这花归入蔷薇科。
- For further details, please refer to page 426. 详情请看四百二十六页。