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伯格法 : 18 phrases in 10 subjects |
| Chemistry | 2 |
| Cryptography | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Genetics | 2 |
| Metallurgy | 6 |
| Mining | 1 |
| Otorhinolaryngology | 2 |
| Space | 1 |
| Technology | 1 |
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