three-fold block
基本解释
- [交通运输工程]三轮滑车
英汉例句
- Three branched monomers 1 ~ 3, possessing 3 - fold symmetry and branches emanating from a tetrahedral carbon branch point, were utilized as the key building block in the dendrimer syntheses.
目标化合物以甘油、硝基甲烷为三方向起始核心，以从季碳原子三倍对称分散的化合物1～3为分支侧链。
双语例句
专业释义
- 三轮滑车