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
It's good to see you so happy.
能看见你如此高兴 ，太好了。
We've gone over quite a lot. Shall we take a break?
我们已进行很久了，让我们休息一下好吗？
It is a question of pride as much as anything else.
原因就是要面子。