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
It's a far cry from what I expected.
这离我想要的差远了。
It's about time to get up.
差不多该起床了。
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。