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磁带盘: 26 phrases in 14 subjects |
Agriculture | 1 |
Automobiles | 1 |
Aviation | 1 |
Chemistry | 5 |
Computers | 2 |
Electronics | 3 |
General | 1 |
Information technology | 3 |
Mathematics | 1 |
Metallurgy | 1 |
Multimedia | 1 |
Shipbuilding | 2 |
Space | 1 |
Telecommunications | 3 |