Pooled variance
[化] 合并方差
🧩 词语组成解析
a. 合并的
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
Sure.
当然。
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。