Sample variance
[化] 样本方差
🧩 词语组成解析
sample
['sæmpl]
n. 样品，华样;标本，榜样;（化验的）取样;[信]信号瞬时值;
vt. 取…的样品，尤指用样品来检验;品尝;抽样调查;
adj. 作为代表或范例的;
s分开+ample拿，获得→分开拿出→标本,样品
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
I should have quit while I was ahead.
我应该见好就收。
He's a composer of popular songs.I like his music a lot.
他是流行歌曲作曲家，我很喜欢他的音乐。
Shortly after it was launched, the pie committee went to a local inn to celebrate.
盘子下水后不久，馅饼委员会成员们来到当地一家小酒店庆贺。