n.相等第系数法 method of detached coefficients: 分离系数法method of equal coefficients: 等系数法method of undeterminated coefficients: 待定系数法method of undetermined coefficients: 待定系数法; 未定系数法equating: 分测验预先等化; 均衡下载手机词典可随时随地查词查翻译