Quadratic dual problem
[计] 二次对偶问题
🧩 词语组成解析
a. 二次的\\nn. 二次方程式
dual
['dju(:)əl]
adj. 双的，两部分的，二体的，二重的;
n. 双数;双数词;
🗣️ 情景例句
What are the best exercises for my health?
什么是最利于我身体健康的锻炼方式？
I usually feel timid in the presence of very bright people.
站在聪明人面前，我感到羞怯。
But they suddenly became the parents of quintuplets,
但是他们出人意料生了个五胞胎，