“systematic sampling”概念、定义、翻译-科学时代

单词	systematic sampling
释义	社会学词汇手册 systematic sampling 系统抽样
随便看	professional employer organization professional employer organization (PEO) professional employer organization--professional employer organization (PEO) professional ethics professional ethics professional ethics professional ethics professional ethics professional ethics professional etiquette professional examination professional fee professional fee professional fee professional generalization professional grading professional guide professional image professional importer and exporter professionalism professionalism professionalization professionalization professional journal professional judgment

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。