“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	projection plotting instrument projection principle projection printer projection printing projection printing projection pursuit projection pursuit method projection room projection rules projection television projection test projection tolerance zone projection transformation projection transformation projection tube projection TV projection welding projection with two standard parallels projection with two standard parallels projective algebra projective closure projective coordinates projective coordinate system projective dimension projective equivalence

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。