“检索词频率”概念、定义、翻译-科学时代

单词	检索词频率
释义	网络与多媒体词汇手册检索词频率 TF (term frequency)
随便看	exempt goods exempt income exempt income exempt income exempt income exempt-interest dividend exemption exemption exemption exemption exemption exemption exemption exemption certificate exemption certificate exemption clause exemption clause exemption clause exemption clause exemption clause exemption clause exemption equivalent exemption from estate duty exemption from safeguards exemption from taxation

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。