“反向J型频度曲线”概念、定义、翻译-科学时代

单词	反向J型频度曲线
释义	经济学词汇手册 reverse J-shaped frequency curve 反向J型频度曲线
随便看	professional self professional service advertising professional service fee professional skepticism professional skill professional skill professional soldier professional standard professional standard of culture professional system professional tape professional technician qualification examination professional technique training professional title professional title professional trader professional training course professional transport professional work professional writer profession of faith profession of letters professor professorate professor emeritus

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。

reverse J-shaped frequency curve