Cluster sampling
[计] 分组取样, 聚类取样\\n[经] 成群选样, 成串采样
🧩 词语组成解析
cluster
['klʌstɚ]
n. 丛;簇，串;群;[语言]辅音群;
vi. 丛生;群聚;
vt. 使密集，使聚集;
sampling
['sɑ:mpliŋ, 'sæ-]
n. 抽样;取样;（乐曲的）节录;选录;
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
What did you like best about the movie?
你最喜欢这电影的什么？
Tommy had already swallowed them!
汤米已经把硬币咽了下去！