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
Well, I'll try to arrange the schedule, Dr. Stewart.
好吧，尽力去安排，Stewart大夫。
Thank you but this is something I have to do on my own.
但有些事情我必须自己做主。
It says here,on this card, that it was used in plays, said Meimei. it's a king's hat!
“这儿，这张卡片上说那是演戏用的，”梅梅说，“是国王的帽子！”