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
Is that OK?
可以吗？
One woman, in Peru, was saved from an earthquake by lying between two mattresses.
秘鲁的一位妇女，躲在垫子之间从地震中死里逃生。
What's the weather like?
天气怎么样？