Identity matrix
[计] 单位矩阵, 恒等矩阵
🧩 词语组成解析
identity
[ai'dentiti]
n. 身份;[逻]同一性;个性;[数]恒等（式）;
🗣️ 情景例句
Where did you go to school?
你在哪儿上学？
That was a lousy movie.
那电影糟透了！
I live in a tall building in the middle of the city.What about you?
我住在这个城市中心的一幢高楼里。你呢？