“发明拉力假说”概念、定义、翻译-科学时代

单词	发明拉力假说
释义	人口学词汇手册发明拉力假说 invention-pull hypothesis
随便看	regulating the waterways regulating transformer regulating transformer regulating valve regulating valve regulating valve regulating variable regulating volume regulating winding regulating ying and wei regulation regulation regulation regulation regulation regulation regulation regulation regulation regulation by the market regulation concerning carriage by rail regulation factor regulation for mooring vessels regulation for safe use of pesticide regulation in force

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。