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测试模式: 42 phrases in 12 subjects |
Automobiles | 6 |
Aviation | 4 |
Earth sciences | 1 |
Electronics | 9 |
Finances | 1 |
General | 1 |
Information technology | 3 |
Mining | 1 |
Radio | 1 |
Space | 5 |
Technology | 8 |
Telecommunications | 2 |