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
Hope to be a bigger help on the new community-center project.
希望能在新社区中心这件事上提供更大的帮助。
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
Things are getting better.
情况正在好转。