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| 双链 | |||
| 化学双键 | |||
| 附条件债券指附有所有偿付条件的债券 | |||
| ★ 双键 | |||
| 附条件债券 | |||
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| β碳原子与γ碳原子间的双键 | |||
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| 双键的 | |||
| English thesaurus | |||
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| DB | |||
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double bond : 60 phrases in 10 subjects |
| Agriculture | 2 |
| Business | 1 |
| Chemistry | 25 |
| Economics | 1 |
| Oil / petroleum | 8 |
| Perfume | 1 |
| Plastics | 4 |
| Polymers | 5 |
| Securities | 1 |
| Technology | 12 |