“proportional sampling”概念、定义、翻译-科学时代

单词	proportional sampling
释义	统计学词汇手册 proportional sampling 比例抽样
随便看	semi-log semi-logarithmic chart semi-logarithmic graph semi-log frequency plot semilunar valve semi-lunation semilune semimacrinite semimagnetic semiconductor semi-major axis semi-major axis semi-major axis semimajor axis of ellipsoid semi-mangrove semi-manufacture semi-manufacture semi-manufactured commodity semi-manufactured goods semi-manufactured goods semi-manufactured product semi-Markov process semi-martingale semi-martingale semimature forest semi-measurement data

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

proportional sampling