| 词汇 | samplingfraction |
| 释义 | sampling fraction noun [countable] (marketing 营销) the relationship between the part of a group that is chosen to take part in a survey and the size of the whole group 抽样比；样本分数◆we used a sampling fraction of 1 in 100. 我们使用了 1:100 的抽样比。 |
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