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
Robbie just went to the store.
Robbie刚去商店。
I always used to leave for work at 8:30.
我过去总是在8:30离开去工作。
It is, in fact, a primitive type of calendar.
事实上是一种最原始的日历。