英语词汇principal diagonal的读音、翻译及短语词组释义-英汉双解词典

单词	principal diagonal
释义	principal diagonal【计】主对角线 principal diagonal principal diagonal n.Mathematics （名词）【数学】 The diagonal in a square matrix that goes from the upper left corner to the lower right corner.主对角线：方阵中从左上方到右下方的对角线
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