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
And my first nephew.
我的第一个侄子。
We exchange products under almost all circumstances.
在各种情形下我们都可更换产品。
You are left-handed, but in this photograph you will see that the young girl is painting with her right hand.
你是左撇子,而在这张照片里,你会发现这个小姑娘正在用右手绘画。
更多情景英语 ›