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 have a client in the garment business, on Seventh Avenue.
我有个客户在Seventh Avenue从事成衣生意。
Whatever it is, I need this computer to work.
不管是什么问题，我要求把这台计算机修好。
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时，你在那儿吗？