| 1. | Satellites orbiting round the earth have provided scientists with a vast amount of information about conditions in outer space .
环绕地球运行的人造卫星，为科学家提供了有关外层空间的大量资料。 |
| 2. | Satellites orbiting round the earth have provided scientists with a vast amount of information about conditions in outer space .
环绕地球运行的人造卫星为科学家们提供了大量有关外层空间情况的资料。 |
| 3. | When was the first man - made satellite orbited
第一颗人造卫星是何时射入轨道的？ |
| 4. | Combined determination of satellite orbit using slr and pseudorange data
与伪距资料综合定轨 |
| 5. | Four satellites orbiting around jupiter
绕著木星旋转的四颗卫星。 |
| 6. | Digital platform for satellite orbit design and mission analysis
卫星任务分析与轨道设计数字化平台 |
| 7. | Inclination of a satellite orbit
倾角卫星轨道的 |
| 8. | Geostationary satellite orbit
对地静止卫星轨道 |
| 9. | Improvement of satellite orbit
卫星轨道改进 |
| 10. | Satellite orbit parameters
卫星轨道参数 |
