Stratified sampling
[计] 成层抽样\\n[经] 分层抽样
🧩 词语组成解析
a. 分层的；形成阶层的；分为不同等级的
sampling
['sɑ:mpliŋ, 'sæ-]
n. 抽样;取样;（乐曲的）节录;选录;
🗣️ 情景例句
Would you like to sign the contract now?
你现在要签这合同吗？
He's an American.
他是美国人。
One evening, however, he failed to arrive.
可是，有一天晚上，它出去后再也没回来。