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
Well, I don't think it's anything serious.
嗯，我想没有什么严重的。
Many dishes,many diseases.
食多病多。
Really? What's the trouble?
真的？怎么啦？