英语词汇principal diagonal怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	principal diagonal
释义	principal diagonaln.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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英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。