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
Excuse me, but could I ask you a quick question?
对不起，我能问你一个简短的问题吗？
Yes, but I don't want go downtown.
是的，但是我不希望上街。
I would like you to change this blouse, or else give me my money back.
我想要你换掉这件衬衣，要不就把钱退给我。