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
He lives alone
他一个人生活
I ought to explain to the manager.
我应该向经理解释。
But people who are cut off not only from foreign tourists, but even from their own countrymen can be hostile to travellers.
但是，那些不但与外国旅游者隔绝，而且与本国同胞隔绝的人们有可能对游客抱有敌意。