matrix algebra短语¹⁴⁴⁹⁷²⁺² 基本英英例句 矩阵代数 Noun: the part of algebra that deals with the theory of matrices The planar components and straight line components of the quadric surfaces intersections are studied precisely by means of matrix algebra in this paper. 本文利用特征多项式方程使得二次曲面交线的平面曲线分支的求解简化成平面与二次曲面求交问题。 cnki