| 释义 |
representative sampling ˌrepriˈzentətivˈsæmplɪŋ 短语¹⁴⁴⁹⁷²⁺²
基本英英近义反义
代表性抽样,典型抽样
Noun:
the population is divided into subpopulations strata and random samples are taken of each stratum近义词 stratified sampling分层抽样,分层抽样法,分…proportional sampling比例采样,比例抽样,按比… |