principal diagonal
常见例句
- It is proposed a new topological method of adjacent matrix of esters which was constructed by taking the characteristic value of the pieces of ester compounds as principal diagonal element.
提出了拓撲方法，即考慮分子圖頂點的性質，直接用酯類化郃物的分子碎片的特征值爲主元來搆建鄰接矩陣。 返回 principal diagonal