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| 国家土地系统 (PLS) | |||
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| 公用土地系统 | |||
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Public Land System : 12 phrases in 7 subjects |
| Desert science | 2 |
| Earth sciences | 1 |
| Electronics | 3 |
| Information technology | 1 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 3 |
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