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观 测值 : 112 phrases in 15 subjects |
| Agriculture | 1 |
| Business | 46 |
| Chemistry | 1 |
| Commerce | 2 |
| Earth sciences | 1 |
| Electric machinery | 4 |
| Electronics | 1 |
| Mathematics | 4 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Soil science | 2 |
| Space | 2 |
| Statistics | 6 |
| Surveying | 1 |
| Technology | 38 |
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