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

单词	commemorative stamp
释义	commemorative stamp Encyclopedia 工学邮资凭证释 commemorative stamp纪念邮票邮政部门为纪念重大事件、重要活动或人物而专门发行的邮票。是邮票票种之一，图案多以与事件、活动或人物有关的内容为题材，并有特定的纪念文字或徽志及年代，发行数量有一定限制，出售时间较短，一般不再重印。
随便看	vocation Vocational Ability Development Promotion Act vocational adaptability of military job vocational and technical college vocational and technical teachers education vocational aptitude test Vocational Arts Education vocational basic education year vocational card sort vocational education vocational education and training in rural areas Vocational Education Assistance Act vocational education equity vocational education for ethnic minority vocational education for persons with disabilities vocational education group vocational education in France vocational education in Japan vocational education in prataculture vocational education in Russia vocational education in Singapore vocational education in special school vocational education in Switzerland vocational education in UK Vocational Education Law of the People’s Republic of 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。