“有目的抽样”概念、定义、翻译-科学时代

单词	有目的抽样
释义	旅游词汇手册有目的抽样 purposive sampling
随便看	reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability reliability allocation reliability allocation reliability analysis reliability analysis reliability and maintanability reliability and maintanability--reliability and maintanability（r & m）

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。