“纪念邮票”的概念、定义、翻译、参考文献-科学参考

单词	纪念邮票
释义	纪念邮票 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	food perfume food plant control food poisoning food poisoning of animal origin food poisoning of plant origin food pollution control act food preference food preferences food preservation technology food preservative food preservative analysis food processing process control system food production process control system food production process traceability food product qualification food product standard food protein food quality assurance and control food quality assurance and control system food recall food research of anthropology food safety food safety alert and reaction system food safety assessment Food Safety Committee of the State Council

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。