“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	organic fertilizer technique organic fiber reinforcements organic field-effect materials organic field effect transistor organic field-effect transistor organic field-effect-transistor materials organic field-effect transistor memory organic field-effect transistor (OFET) organic fluids organic gas organic gems organic geochemical indicator organic geochemistry organic geochemistry of coal organic geochemistry sample analysis organic glass organic grouting material organic inorganic compound fertilizer organic-inorganic hybrid membranes organic-inorganic hybrid perovskite organic-inorganic hybrid polymer organic interface material organic inverter organic ion exchanger organicism

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。