“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	environmental space atmosphere environmental space combination environmental space design environmental space design techniques environmental space division environmental space form environmental space orientation environmental space type environmental standard management regulation environmental standards environmental standards management environmental standard system environmental state environmental state recognition environmental statistics environmental stress of swine building environmental structure environmental subsidy environmental suit environmental supervision environmental supervision and management on environmental construction projects environmental supervision of hydropower station environmental survey satellite Environmental Sustainability Index environmental symbol

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。