Dirac delta function
[计] 迪拉克δ函数
🧩 词语组成解析
[计] 迪拉克的
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
🗣️ 情景例句
As a matter of fact,
事实上，
What are you interested in?
你对什么比较感兴趣？
A wet road is usually slippery.
潮湿的路往往是滑的。