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| dualistic formula | |||
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二元式 : 25 phrases in 9 subjects |
| Business | 4 |
| Construction | 1 |
| Cryptography | 1 |
| Electronics | 1 |
| Finances | 4 |
| Information technology | 1 |
| Mathematics | 3 |
| Metallurgy | 1 |
| Technology | 9 |
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