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| average ratio; mean ratio | |||
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平均 比值 : 19 phrases in 11 subjects |
| Air defense | 2 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| Geology | 1 |
| Information technology | 2 |
| Space | 1 |
| Statistics | 1 |
| Technology | 3 |
| Telecommunications | 2 |
| Wind Energy | 1 |
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