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- mean orbit radius 平均轨道半径
- Cordelia and Ophelia orbit inside the synchronous orbit radius. 天卫六与天卫七属于同步轨道半径之内。
- Metis and Adrastea orbit inside the synchronous orbit radius and inside the Roche limit. 木卫十六与木卫十五的公转轨道处在同步公转轨道半径之内,并在Roche极限之内。
- Owing to the extremely small orbit radius, the laser-field synchrotron radiation thus generated is an attosecond or zeptosecond X-ray pulse. 研究发现此过程可以获得阿秒和泽秒X射线脉冲;
- 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。
- Do you mean say we are met for a thunder storm? 你肯定我们会遇到一场雷雨?
- I feel mean for not doing more for my son. 我对没为我儿子多做点事而感到惭愧。
- 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。
- Defeat in this election would mean he was done for. 这场选举的失败意味着他政治生涯的结束。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- I have no conception of what you mean. 我想不出你的意思是什么。
- Moving or directed along a radius. 沿着或向着半径移动的
- The mean yearly rainfall is20 inches. 每年平均降雨量是二十英寸。
- 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 orbital radii of the moons are strangely separated by less than the radii of the moons themselves: about 50 kilometers. 令人奇怪的是,卫星轨道分开的距离比卫星的半径还要小:约50千米。
- Do you mean Miss Anne Smith or Miss Mary Smith? 你指的是安·史密斯小姐还是玛丽·史密斯小姐?
- 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。
- I have no idea (as to) what you mean. 我一点儿也不明白你的意思。