英语词汇“proportional sample”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	proportional sample
释义	proportional sample 英?[pr??p?:??n?l ?sɑ:mpl] 美?[pr??p?r??n?l ?s?mp?l] 释义比例抽样器英英释义 Noun 1. the population is divided into strata and a random sample is taken from each stratum
随便看	multistrip amplifier multistrip coupler multi-stripe multistripe coupler multistripe laser multistrip laser multi-strip shearing machine multistroke multistroke character entry multistudent multistudio multistudy multistyli head multistyli recorder multistyli recording multistylistic multistylus echo sounder multi-stylus fish finder multistylus recorder multistylus recording multisubband multisubcultural multi-subharmonic function multi-subject multisubject

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proportional sample