“ancient and secondhand book industry in China”的概念、定义、翻译、参考文献-科学参考

单词	ancient and secondhand book industry in China
释义	ancient and secondhand book industry in China Encyclopedia 文学〔近代书业史〕释 ancient and secondhand book industry in China中国古旧书业中国回收和出售古旧书的行业，与新书出版发行业组成一个完整的图书市场。
随便看	Etanercept e-tax system eta介子 E. T. Bell E. T. Bell (1883—1960) ETC etch etchant etch cut Etched Agate Beads Etched Chalcedony etched grating etcher etch figure etching etching-away etching cell etching process etch-pit etch-proof etch stop technique ETCS ETD ETELS etendue

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。