Population variance
[化] 总体方差
🧩 词语组成解析
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
I can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
Destroy the lion while he is yet but a whelp.
杀狮应在幼小时。
When they got home, Jane cooked their dinner in the microwave oven and without realizing it, cooked her fiance's wallet as well.
回家后，简用微波炉煮了晚饭，无意中之中把她未婚夫的钱包也一起煮了。