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
They're here!
他们到了。
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
It's about my son Jim.
我想谈谈我儿子吉姆的事情。