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
Can you tell me where the campus library is located?
能告诉我校图书馆在哪儿吗？
He realized that he was heading in the wrong direction.
他意识到走错了方向。
Where are you going to meet?
你们打算在哪里见面？