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	integral disc integral discriminator integral-disk rotor integral distribution integral distribution cruve integral distribution curve integral distribution function integral divisor integral domain integral dose integral-dose integral dose,integral absorbed dose integral dose minimization integral drain cooler integral drill steel integral drive integral drive fuel injection pump integral drive gearing integral drive-system integral dry route integral economizer integral electric actuator integral electrical heating integral element integral enclosure

英汉翻译词典包含4367426条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。

proportional sampling