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带 矩阵 : 16 phrases in 9 subjects |
| Bridge construction | 1 |
| Computers | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Physics | 2 |
| Space | 3 |
| Technology | 5 |
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