“philately commemorative postmark”的概念、定义、翻译、参考文献-科学参考

单词	philately commemorative postmark
释义	philately commemorative postmark 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	modern Chinese singing art Modern Chinese Social Problems Modern Chinese Syntax modern Chinese teacher education thoughts Modern Ci Poetry modern climatic variation modern community modern constitution Modern Construction Technology modern construction technology modern control modern control theory modern copper metallurgy industry in China modern corporate systems of media Modern Criticism sect modern cultural industry system modern cultural market system modern culture modern cursive script modern dance Modern Design modern design Modern Discourse on Paintings Modern Distance Education Project of Rural Primary and Secondary Schools Modern drama

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。