“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	Zhao Yizhen Zhao Yong Zhao Yongwei Zhao Yongxian Zhao Youliang Zhao Youping Zhao Youqin Zhao Yu Zhao Yuan Zhaoyuan Mijue Zhao Yuanren Zhaoyuan Shi Zhaoyuan Xian Zhao Yufen Zhao Yufeng Zhao Yuhuang Zhao Yuming Zhao Yuzhai Zhao Zexiu Zhao Zheng Zhao Zhenji Zhaozhennv Zhao zhenye Zhao Zhichen Zhao Zhigang

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。