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运算/分 : 49 phrases in 12 subjects |
| Architecture | 2 |
| Aviation | 3 |
| Computers | 2 |
| Cryptography | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| General | 4 |
| Mathematics | 1 |
| Space | 3 |
| Technology | 24 |
| Telecommunications | 3 |
| Wind Energy | 1 |
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