| 释义 |
representative sample 释义 代表性样本:从总体中选取的一部分样本,能够代表整个总体的特征和属性。 例句 1·The survey covers a representative sample of schools. 调查覆盖了有代表性的一些学校。 《牛津词典》 2·Extracurricular activities reflect the differences in child rearing in the Pew survey, which was of a nationally representative sample of 1,807 parents. 皮尤研究中心对全国范围内具有代表性的1807名父母组成的样本进行了调查,发现课外活动反映了育儿方式的差异。 3·Extracurricular activities reflect the differences in child-rearing in the Pew survey, which was of a nationally representative sample of 1,807 parents. 课外活动反映了皮尤研究中心育儿方式的差异,这是从对全国1807名家长的代表性抽样调查的结果。
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