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| 二级结构 (structura secundaria) | |||
| 二次结构; 辅助结构 | |||
| 次要结构 | |||
| 次生结构 | |||
| 次要建筑物 | |||
| 二次组织; 次生组织; 次级结构 | |||
| 次生构造; 二级构造 | |||
| 二级〔辅助〕结构 | |||
| 辅助［次级］结构; 次结构 | |||
| 二级结构 | |||
| 土的次要结构 | |||
| English thesaurus | |||
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| SS | |||
| secondary structure: 26 phrases in 9 subjects |
| Agriculture | 6 |
| Chemistry | 1 |
| Genetics | 9 |
| Metallurgy | 2 |
| Molecular genetics | 1 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Polymers | 1 |
| Technology | 2 |