Central difference formula
[计] 中心差分公式
🧩 词语组成解析
formula
['fɔ:mjulə]
n. 公式，准则;客套话;方案;婴儿食品;
🗣️ 情景例句
Pretty good.
挺好的。
If you consider that she's only been studying English a year, she speaks it very well.
你可以考虑到她那学一年的英语，她的英语说得非常好。
A gust of wind swept the bed off the roof and sent it crashing into the courtyard below.
一阵大风把床从屋顶上刮了下来，把它摔碎在下面的院子里。