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
Mr. Carlson will be with you shortly. Carlson
先生不久就可以见你。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
I'm sorry, sir.That clock's ten minutes slow.
对不起，先生，那个钟慢了10分钟。