Kronecker delta
[数] 克罗内克符号
🧩 词语组成解析
[计] 克罗内克
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
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
He that will eat the nut must first crack the shell.
欲所得，必先劳。
What bad weather! Are you going out?
天气糟透了！你要外出吗？