random sample
英
美
- n.随机抽样调查
详细释义
Noun:
-
a sample in which every element in the population has an equal chance of being selected
-
a sample grabbed at random
双语例句
- The opinion poll was based on a random sample of adults.
这次民意测验结果是在对成年人的随机抽样调查基础上得出来的。
用作名词 (n.)
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