Invariant integral
[计] 不变积分
🧩 词语组成解析
invariant
[in'vεəriənt]
adj. 无变化的，不变的;
n. 不变式，不变量;
🗣️ 情景例句
Oh, see you at the polls.
噢， 在投票所见。
Say, do you smell something burning in the kitchen?
喏，你有没有闻到厨房里有烧焦的味道呀？
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。