backbone element
英 [ˈbækbəʊn ˈelɪmənt]
美 [ˈbækboʊn ˈelɪmənt]
骨干分子, 中坚分子
双语例句
- For the purpose of biological degradation, few 4-vinylpyridine ( 4-VP) is added into sodium poly-acrylate backbone. Then infrared spectrum, ultraviolet spectrum and element analysis are used to characterize the polymer and its thermal stability, sequestering power and dispersivity are studied.
为了改善生物分解性能，在聚丙烯酸钠主链上引入了少量4-乙烯基吡啶，并对共聚产物进行了IR、UV、元素分析、热稳定性、螯合性能、分散性能等研究。 - Chinese character is the skin texture and backbone of Chinese culture, as well as the key element of the whole Chinese culture.
汉字是中国文化的肌理骨干，是整个汉文化构成的因子。 - Government credit is the backbone of social credit, it is very vital with economy development and society stability, it is the important element of improving public satisfaction.
政府诚信是社会诚信的主心骨，对社会的经济发展以及稳定运转具有举足轻重的作用，是提升公众满意度不容忽视的重要因素。