Quadratic variational problems
[计] 二次变分问题
🗣️ 情景例句
Nobody knows how to do it.
没有人会打。
I ought to take her home.
我应该送她回家。
It had a head like a horse, big blue eyes, shining silver skin, and a bright red tail.
它长着一个像马一样的头,有着大的蓝眼睛和闪闪发光的银色皮肤,还有一条鲜红色的尾巴。
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