短語(yǔ)詞組短語(yǔ)diagonal element rule 稱之爲(wèi)對(duì)角線槼則matrix the diagonal element ta 矩陣對(duì)角元the off -diagonal element 非對(duì)角元semi -diagonal matrix of finite element 有限元準(zhǔn)對(duì)角線矩陣 返回 diagonal element