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| 存储盘 | |||
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memory disc : 31 phrases in 13 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| China | 2 |
| Computers | 1 |
| Electronics | 13 |
| Information technology | 4 |
| Metallurgy | 2 |
| Multimedia | 1 |
| Nautical | 1 |
| Statistics | 1 |
| Technology | 2 |
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