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| small astronomy satellite (美国天文卫星,属探险者卫星系列); small astronomy satellite (美国天文卫星，属探险者卫星系列中的卫星) | |||
| small astronomical satellite | |||
| 小 天 文卫星: 4 phrases in 3 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Space | 2 |
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