Concave function
[计] 凹函数
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
These clothes are too long , they need to be taken up.
这些衣服太长了需要去改一下。
Something English? I know - fish and chips!
英国风味？我知道--炸鱼和土豆片！