“purposive sampling”概念、定义、翻译-科学时代

单词	purposive sampling
释义	旅游词汇手册 purposive sampling 立意抽样，有目的抽样
随便看	double-layer magnetic film double layer potential double-layer repulsion double-layer structure double-layer wideband microwave-absorptive material double leading-tone cadence double leno rotary system double lens double lens double lever double leverage double liability double life double-lined binary double-line heating system double-linked list double lock chain stitch double-logarithmic double logarithmic chart double longitudinal velocity correlation function double-loop learning double-loop learning double low tide double low water double lysogenic strain

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。