英语词汇“proportional sampling”的读音、翻译、释义、用法及例句-英译汉实时翻译、汉译英在线翻译、英汉互译翻译词典-国先网

词汇	proportional sampling
类别	英译汉实时翻译、汉译英在线翻译、英汉互译翻译词典
释义	proportional sampling 英?[pr??p?:??n?l ?s?mpl??] 美?[pr??p?r??n?l ?s?mpl??] 释义比例采样，比例抽样，按比例抽样英英释义 Noun 1. the population is divided into subpopulations (strata) and random samples are taken of each stratum 行业词典化学比例抽样???
随便看	hollow-rod drill hollow-rod drilling hollow rod fuel pin hollow rod, hollow sucker rod hollow-rod string hollow roll hollow roller hollow roll with end shaft hollow roll with full shaft hollow-root hollow rope hollow rosette hollow rotor hollow-rotor motor hollow-rotor pump hollow round column hollow round pier hollow rubber cylinder or rectangular fender hollow rudder hollows hollow screw hollow-screw hollow sea hollow section hollow section panel

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proportional sampling