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-东流网

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	timesaving time-saving bonus time saving commodities time-saving commodities time saving device time savings timesavings time-savings time-saving toolbar time sbale times between overhauls Times,Bleeding Times,Blood Circulation time scale time-scale timescale time scale action time-scale calibration method time scale change factor time scale check time scale comparison time scale decomposition time scaled network plan time scale factor timescale factor

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proportional sampling