描述聚合物试样分子量多分散性的多分散系数α表达式为( ) A.\(\bar M_n\)/\(\bar M_w\)B.\(\bar M_w\)/\(\bar M_n\)C.\(\bar M_z\)/\(\bar M_\eta\)D.\(\bar M_z\)/\(\bar M_w\)相关知识点: 试题来源: 解析 BD ...