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| 正常范围 | |||
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| 正常范围 | |||
| English thesaurus | |||
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| NR | |||
| normal range: 13 phrases in 8 subjects |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Securities | 1 |
| Space | 1 |
| Technology | 4 |
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