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land satellite | |||
Landsat | |||
Landsat (美国地球资源卫星,最初称 ERTS) | |||
| |||
land satellite | |||
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Landsat remote sensing satellite |
陆地卫星 : 62 phrases in 11 subjects |
Aviation | 1 |
Cartography | 1 |
Desert science | 5 |
Earth sciences | 22 |
Electronics | 4 |
Oil / petroleum | 7 |
Remote sensing | 1 |
Space | 10 |
Technology | 5 |
Telecommunications | 1 |
United States | 5 |