“purposive sampling”概念、定义、翻译-科学时代

单词	purposive sampling
释义	民族学词汇手册 purposive sampling 立意抽样
随便看	teamwork teamwork team work teamwork spirit team yard tea-oil tree tea-oil tree tea olive tea pack Tea Party tea party tea-picking dance tea-plant tea plantation tea planter tea planting teapot acting style Teapot Dome Scandal tear tear bomb tear cannonball teardown inspection Teardrop attack teardrop attack tear fault

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。