Neumann problem
[计] 诺伊曼问题, 第二类边值问题
🧩 词语组成解析
[计] 诺伊曼
🗣️ 情景例句
I'm terribly sorry about that.
为此我非常抱歉。
Do you often work for Mr.stone during the holidays?
你常常在假日期间为斯通先生工作吗？
Three days ago.
3天前。