“book purchase and selling”的概念、定义、翻译、参考文献-科学参考

单词	book purchase and selling
释义	book purchase and selling Encyclopedia 文学〔相关学科〕释 book purchase and selling图书经营学研究图书购进与销售规律的科学。
随便看	polar environmental protection polar equation polar equatorial coordinate polar facula polar figure polar filament polar finder polar fisheries polar fishery management polar flattening polar fleece blanket polar fluid polar form polar function polar gap polar geometry polar glow polar granule polar graph polar group polar heliostat polar homology polar hyperbola polar hyperplane polar hypersurface

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。