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| 监测系统 | |||
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system for monitoring : 20 phrases in 8 subjects |
| Agriculture | 1 |
| Cartography | 1 |
| China | 7 |
| Earth sciences | 1 |
| Metallurgy | 3 |
| Nautical | 2 |
| Space | 1 |
| Technology | 4 |
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