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
Once the film stops showing, they won't even remember your name.
一旦你的电影停播了，你也就会很快被人忘记。
She feared the arrival of the bill-collector.
她害怕收帐人来。
He can't write very much on a card, Mum.
在明信片上他写不了很多，妈妈。