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| normal concentration | |||
| standard concentration | |||
| 标准浓度: 14 phrases in 9 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 6 |
| Textile industry | 1 |
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