“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	bulk silicon fin field effect transistor bulk silk bulk storage in tank heat exchanger bulk storage in tank-heat exchanger bulk symmetry energy bulk synchronous parallel computing model bulk transportation bulk viscosity bulk weight bulk yarn bulky ligand bullbourethral gland bull city bulldozer bulldozers Bullen Keith Edward Bullet Cluster bullet cluster bulletin bulletin board bulletin board system bulletin board system, BBS Bulletin by Temporary President of the Republic of China Bulletin of Environmental Status of China Bulletin of Flood and Drought Disaster in China

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。