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| 支化链 | |||
| chain branched: 29 phrases in 14 subjects |
| Animal husbandry | 3 |
| Biotechnology | 1 |
| Chemistry | 3 |
| Genetics | 2 |
| Metallurgy | 1 |
| Molecular genetics | 1 |
| Nursing | 3 |
| Oil / petroleum | 1 |
| Pharmacology | 6 |
| Plastics | 1 |
| Polymers | 4 |
| Space | 1 |
| Sports | 1 |
| Technology | 1 |
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