杭州交通信息网下午见喜鹊有什么兆头:谁能给我"随机调查"这个名词的解释? 请认真的回答,最好专业的回答 谢谢.
来源：百度文库 编辑：杭州交通信息网 时间：2024/05/08 10:39:29
to conduct a random survey/a random sample
1.a survey/a sample in which every element in the population has an equal chance of being selected
2. a survey /a sample grabbed at random
Synonym: grab sample
Random Sample 本身就有随机调查的意思
random sample is ok
random sampling
随机调查
random sample survey
random sample