普顿散射系数 coefficient of scattering: 散射系数scattering coefficient: 漏损系数; 散射系数atomic scattering coefficient: 原子散乱系数; 原子散射系数back scattering coefficient: 反向散射系数coefficient of energy scattering: 能量散射系数下载手机词典可随时随地查词查翻译