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
I don't know.
我不知道。
Easy to please.
知足常乐。
but as the oceans have been overfished, fish has become more and more expensive.
但是随着海洋里的滥捕滥捞，鱼已经变得越来越昂贵。