Stratified random sampling
[经] 分层随机抽样
🧩 词语组成解析
adj. 任意的;随机的;胡乱的;
n. 随意;偶然的行动;
🗣️ 情景例句
He can really slam it down.
他可真能喝。
Many men have many minds.
人多意见多;人多口杂。
the bottle, the box, and the jar are almost always granted them.
结果就是把瓶药、盒药、罐药开给看病的人而完事大吉。
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