ephemeris table computation
| synchronous satellite
| ephemeris table computation abbr. | |
| tech. | 星历表计算 |
| synchronous satellite abbr. | |
| cartogr. | 静止卫星 |
| oil од. | 同步卫星 |
| rem.sens. од. | 地球同步卫星 |
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| 星历表计算 | |||
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ephemeris table computation : 2 phrases in 1 subject |
| Technology | 2 |