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- Orbiting Solar Observatory (OSO) 轨道太阳观测台
- orbiting solar observatory 轨道太阳观测台
- Solar perturbation of the lunar orbit. 出差由于太阳引力引起的月球轨道运动的摄动
- "The U.S. orbited its first space station in 1973; called...ylab, it was equipped as a solar observatory and medical laboratory." 美国在1973年第一次发射太空站,称为太空实验室计划,配备太阳观测平台与医学实验室。
- "The U.S. orbited its first space station in 1973; called Skylab, it was equipped as a solar observatory and medical laboratory." 美国在1973年第一次发射太空站,称为太空实验室计划,配备太阳观测平台与医学实验室。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- How many spacecrafts are orbiting the moon? 有多少航天器绕月球轨道飞行?
- The spacecraft is orbiting the moon. 宇宙飞船正绕月球飞行。
- Rebalance the observatory's mobile of the solar system. 从新平衡天文台内的太阳系活动装置。
- We can use solar energy to do many things today. 如今,我们可以利用太阳能做很多事情。
- They accurately predicted solar eclipses. 他们精确地预告了日蚀。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- 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。
- He gave a lecture on the use of solar energy. 他就太阳能的利用作了一场讲演。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- A linkup of two orbiting spacecraft. 轨道上两个太空飞行器的会合
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- 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。