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
Don't worry about it. It's a taken of my appreciation for your business, and friendship.
没关系的。这是向你表示我们在生意及友谊上的一点心意。
Choose a wife rather by your ear than your eye.
选妻，最好用耳莫用眼。
No! I think February is worse than January.
不！我认为2月比1月更糟。