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卫星轨道
| 长半轴
| 卫星轨道 | |
| rem.sens. | satellite orbit |
| space | orbit of satellite |
| 长半轴 | |
| archit. | semi-major axis |
| avia. | semimajor axis |
| met. | semi-major axis |
| nucl.phys. | major semi axis |
| oil | major semi-axis |
| space | great half axis |
| tech. | major semiaxis |
| |||
| satellite orbit | |||
| orbit of satellite | |||
| satellite trajectory | |||
|
卫星轨道 : 301 phrase in 25 subjects |
| Air defense | 5 |
| Astronautics | 3 |
| Astronomy | 2 |
| Aviation | 15 |
| Business | 1 |
| Cartography | 4 |
| Cryosphere | 2 |
| Desert science | 2 |
| Earth sciences | 33 |
| Electronics | 32 |
| Fishery fishing industry | 2 |
| General | 7 |
| Geology | 2 |
| Geophysics | 3 |
| Military | 1 |
| Multimedia | 3 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Remote sensing | 2 |
| Space | 118 |
| Surveying | 2 |
| Technology | 45 |
| Telecommunications | 3 |
| United Nations | 2 |
| United States | 8 |