The doublet nature of this and other lines in the na spectrum indicates a doubling of the expected number of states available to the valence electron . 钠光谱中的这条线以及其它线的双重性指出预期价电子可用的状态数是双重的。
On peter h . l . chang ' s dual role in his personality 论张学良人格特征的双重性
Of the duality of credit distribution in china 对我国信贷配给双重性的探讨
Cultural dualism in modern china and chinese studies 近现代中国和中国研究中的文化双重性
Connotation and implied meaning and art effect of wuthering heights 中希思克厉夫性格的双重性