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网 格系统 : 25 phrases in 11 subjects |
| Cartography | 1 |
| Computer networks | 1 |
| Desert science | 1 |
| Earth sciences | 5 |
| Electronics | 2 |
| Mathematics | 1 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 9 |
| Telecommunications | 1 |
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