Stratified sampling
[計] 成層抽樣\\n[經] 分層抽樣
?? 詞語組成解析
a. 分層的；形成階層的；分為不同等級的
sampling
['sɑ:mpli?, 's?-]
n. 抽樣;取樣;（樂曲的）節錄;選錄;
??? 情景例句
Hello, thank you very much for coming to my home.
你好，多謝你大駕光臨我的寒舍。
We have a few kitchen things and a dining room set.
我們有一些廚房設備和有餐廳
This time it was the postman and he wanted me to sign for a registered letter!
這次是郵遞員，他要我簽收一封掛號信！