Unit matrix
[计] 单位矩阵
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
What's your opinion about this?
你的观点是什么？
The President is going to address the nation on television this evening.
总统今晚将向全国发表电视讲话。
Thank you. You watched the match, didn't you?
谢谢你。你看了比赛，对吧？