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
What's it about?
是关于什么的？
I have a staff of ten.
我手下有十个职员。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。