“集邮纪念戳”的概念、定义、翻译、参考文献-科学参考

单词	集邮纪念戳
释义	集邮纪念戳 Encyclopedia 工学集邮品释 philately commemorative postmark集邮纪念戳为纪念与集邮目的而刻制使用的专门戳记。包含两类性质完全不同的戳与章：一类是纪念邮戳，一类是纪念印章。
随便看	independent column Independent Commission Against Corruption, ICAC independent complement independent component independent component analysis independent component analysis technique independent conditioning of HVAC terminal independent coordinate system independent coupling independent culling independent curator independent current source independent day number Independent demand independent departureness independent derivation rule independent differential operator independent directors independent dominating set independent electron approximation independent element independent equation independent equatorial coordinate independent error independent event

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。