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
Malcolm, please.
请叫我Malcolm吧。
I just dropped in to say goodbye.
我只是来告别的。
I'm sorry to hear that. I hope you're better now.
听说你病 了，我心里很不好受。我希望你现在好些了。