Quadratic variation
[计] 二次变分
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
🗣️ 情景例句
in such a short amount of time.
在这么短的时间内。
You can ease up.
你就放心好了。
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。