“原子团”用英语怎么说？

含有重复的酰胺原子团的聚合物.A polymer containing repeated amide groups , as in various kinds of nylon.摘要寻找合成宏量原子团簇的新方法.Objective : Searching for new method of synthesizing macroscopic quantities compounds of cluster.研究建立了激光与原子团簇相互作用的...