Identity operator
单位算子
🧩 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
Shall I tell him you called?
我告诉他你来过电话，好吗？
The end crowns the work.
工作成败要看结果。
He was married to a friend of mine.
他和我的一个朋友结了婚。