概率比例的英文

probability proportionate

例句与用法

Recommended by china disabled persons ' federation , the survey is carried out through delamination , isometry , probability and multistage sampling , 734 nationwide counties ( cities , districts ) and 5980 subdistricts is taken out , almost 2 . 6 million people , 2 of the national population , is referred
中国残联介绍，这次残疾人抽样调查采用分层、等距、概率比例、多阶段抽样方法，从全国范围内抽取了734个县（市、区） 5980个调查小区，设计样本量近260万人，占全国总人口的2 。