Additive identity
[计] 加性单位元素, 加法恒等元
🧩 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
The economy is booming in this country.
这个国家的经济形势一片大好。
This river is one third as long as that river.
这条河只有那条河的三分之一长。
There is a TV show about AIDS on right now.
电视正在播放一个关于爱滋病的节目。