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| 11. | Our satellite itself will orBit around the moon for a period of two days. |
| 我们的人造卫星本身将绕月球运行两天的时间。 |
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| 12. | Apollo 8 was a test in which an Apollo moonship was put into orbit around the moon. |
| 太阳神八号是将一艘登月艇纳入绕月球轨道的一项试验。 |
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| 13. | The point of an orbit around the moon farthest from the moon's center. |
| 远月点绕月轨道上离月亮中心最远的一点 |
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| 14. | According to general relativity, because the Earth and the moon orbit the sun, they should“ fall” towards |
| 根据广义相对论，因为地球和月球围绕太阳公转，所以他们将会以同样的速度向太阳“坠落”，正如伽利略的球体落向地面。 |
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| 15. | He would wait in orbit around the moon while Armstrong and Aldrin landed and explored the surface. |
| 阿姆斯特朗和奥尔德林在月球着陆并探索月球表面的时候，柯林斯将在绕月轨道上等待。 |
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| 16. | 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. |
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| 17. | They fired it again to break out of moon orbit for the return flight to Earth. |
| 再次点燃服务舱火箭，就可以离开月球轨道，向地球返航。 |
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| 18. | unusally large(40 percent more massive than Pluto), but it orbits Neptune backward, the only large moon |
| 绕海王星旋转的卫星不仅大（量为冥王星的40％）而且按与海王星旋转方向相反的方向绕着其转，这是唯一一颗与主星旋转方向相反的大卫星。 |
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