属性抽样 [统计] attribute sampling ; sampling of attributes
判断性抽样 Judgement Sampling
偏性抽样 biased sampling
可靠性抽样 [统计] reliability sampling
全国性抽样调查 [统计] nation-wide sample survey ; nationwide sampling survey
无偏重要性抽样 unbiased importance sampling
属性抽样法 sampling for attributes ; attribute sampling
定性抽样验收 acceptance sampling by attribute
挑选性抽样检验 sampling inspection with screening
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。
Extracurricular activities reflect the differences in child-rearing in the Pew survey, which was of a nationally representative sample of 1,807 parents.
提出了基于重要性抽样的最大似然方位估计方法。
Maximum likelihood DOA estimator based on importance sampling (ISMLE) is proposed.
进一步研究了采用重要性抽样技术提高抽样效率的问题。
And the importance sampling technique is applied to improve the sampling efficiency.
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