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饱和比 : 22 phrases in 11 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Geophysics | 3 |
| Mining | 1 |
| Refrigeration | 2 |
| Technology | 7 |
| Wind Energy | 2 |
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