“push-pull theory”概念、定义、翻译-科学时代

单词	push-pull theory
释义	美术、书法与摄影词汇手册 push-pull theory 推拉理论（霍夫曼绘画理论）
随便看	sample regression sample reuse sample scoop sample search sample selection bias sample set sample shipment sample signal sample size sample size sample size sample size sample size sample size sample size sample size sample size formula sample sorption sample space sample space sample space sample space sample splitter sample splitting device sample standard deviation

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。