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

单词	proportional sampling
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	counterstain counter-stained counterstained counter staining counterstaining counterstainings counterstains counterstamp counterstamped counterstamping counter stamp machine counterstamps counter-stand counterstand counter starting potential Counterstat counter-statant counter statement counter-statement counterstatement counter-statements counterstatements counter stay counterstealth counter steam

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proportional sampling