基本解釋[數(shù)學(xué)]三角矩陣代數(shù)詞組短語短語upper triangular matrix algebra 上三角矩陣代數(shù)strictly upper triangular matrix algebra 嚴(yán)格上三角矩陣代數(shù)triangular matrix algebra更多詞組專業(yè)釋義數(shù)學(xué)三角矩陣代數(shù)