 |
| |||
| 带权平均值 | |||
| weight mean: 21 phrases in 11 subjects |
| Agriculture | 3 |
| Animal husbandry | 1 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Earth sciences | 2 |
| Ecology | 2 |
| General | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 7 |
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