“Penny Black Stamp”的概念、定义、翻译、参考文献-科学参考

单词	Penny Black Stamp
释义	Penny Black Stamp Encyclopedia 工学邮资凭证释 Penny Black Stamp黑便士 1840年英国发行的世界上第一枚邮票。5月1日发售，5月6日正式使用。面值为1便士，用黑色油墨印制。
随便看	carbon dwarf star carbon electrode carbon electrodes carbon emission carbon emission exchange carbon emission neutral carbon emission peak carbon emission reduction carbon emissions factor carbon emissions per unit of GDP carbon emission trading carboneyan carbon fiber carbon fiber/epoxy-aluminum supper hybrid composites carbon fiber micro disk electrode carbon fiber micro-disk electrode carbon fiber reinforced carbon materials carbon fiber reinforced polymer mirror carbon fiber reinforced quartz composites carbon fiber reinforced resin carbon fiber reinforced zirconia composites carbon fibre reinforced plastic carbon financial carbon fixation carbon flash

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。