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
What do you think of the spaceship?
你觉得那个太空船怎么样？
Mother begins baking cookies two weeks before Christmas.
自圣诞节的两周以前，母亲就开始做小甜饼了。
Sorry! I won't do it again.
对不起！我不会再这样了。