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31. | The space shuttle can orbit at altitudes of up to 965 kilometers. |
| 这架航天飞机最高能在965公里的高度作轨道运行。 |
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32. | Concentration upon the Pole-Star will give knowledge of the orbits of the planets and the stars. |
| 冥想于北极星就会得到行星运行轨道的星际知识。 |
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33. | But sometimes it moves inside the orbit of Neptune. |
| 但有时候,它却运行到海王星轨道里面去了。 |
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34. | Scientists have computed the probable course of the rocket. |
| 科学家利用计算机计算了火箭可能运行的轨道。 |
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35. | They succeeded in rocketing a satellite into orbit. |
| 他们成功地用火箭把一颗卫星送入运行轨道。 |
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36. | There are about 800 comets whose orbits are known. |
| 人类已经知道有运行轨道的彗星大约有800颗。 |
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37. | They were watching the orbit of the rocket on the screen. |
| 他们在观察屏幕上的火箭运行轨道。 |
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38. | Once in space, the spacecraft went into orbit around the Earth. |
| 一旦进入太空,太空船就进入环绕地球运行的轨道。 |
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39. | How many spacecraft have orbited the moon? |
| 有多少艘太空船已经绕月球轨道运行过? |
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40. | which uses a network of orbiting satellites, |
| 它的工作原理是利用轨道中运行的卫星 |
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-- 来源 -- 综合英语第2册 - Unit 3 WEATHER AND CLIMATE Text A |
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