“charity stamp”的概念、定义、翻译、参考文献-科学参考

单词	charity stamp
释义	charity stamp Encyclopedia 工学邮资凭证释 charity stamp附捐邮票为福利、健康、赈灾、慈善等事业筹款而在邮资外另加附捐金额的邮票。又称福利邮票、慈善邮票。
随便看	sweep backward sweep circuit sweep efficiency sweeper sweeping sweeper truck sweep forward sweepforward sweep-frequency receiver sweep generator sweeping sweeping line sweeping method sweeping of a measure sweeping out sweeping-out principle Sweeping Screen Windows (Teochew Opera) sweeping star sweeping survey sweeping survey equipment sweep laser sweep molding sweep rate SWEEPS sweep signal sweep signal generator

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。