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| 记录间隔; 记录间隙 | |||
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record gap : 14 phrases in 8 subjects |
| Computers | 1 |
| Earth sciences | 3 |
| Electronics | 1 |
| Information technology | 2 |
| Mathematics | 1 |
| Multimedia | 1 |
| Oil / petroleum | 2 |
| Technology | 3 |
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