题目内容
2.In sampling, we choose a small number of items which we think and examine the sample. (typical)
在采样时,我们选择少量我们认为是代表整体的东西,并对这个样本进行研究。
2.are typical of the whole
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题目内容
2.In sampling, we choose a small number of items which we think and examine the sample. (typical)
在采样时,我们选择少量我们认为是代表整体的东西,并对这个样本进行研究。
2.are typical of the whole