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| 地面固定系统 | |||
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| 地球定位系统 | |||
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| 地球定位系统 | |||
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earth fixed system : 15 phrases in 5 subjects |
| Automobiles | 1 |
| Aviation | 4 |
| Space | 6 |
| Technology | 3 |
| Wind Energy | 1 |
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