Invariance principle
[计] 不变性原则
🧩 词语组成解析
n. 不变性\\n[计] 不变性, 不变式
🗣️ 情景例句
Examinations are at hand.
考试在即。
Why are you so short?
你为什么那么矮呀？
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。