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
Our boss expects us to eat, drink and sleep our job.
我们老板恨不得我们把工作当饭吃，当水喝，当觉睡。
This material feel hand, How does that materoal feel?
这种布料感觉起来很硬，那块料子如何呢？
He suddenly appeared in the party.
他突然在晚会上出现了。