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
My academic preparation, job skill, and enthusiasm about working for the firm.
我有专业知识，工作技巧，和为这家公司工作的热情。
Measure is treasure.
适度是宝。
Look at the rain! It's heavy, isn't it?
瞧这雨！下这么大，是吧？