“大龙邮票”的概念、定义、翻译、参考文献-科学参考

单词	大龙邮票
释义	大龙邮票 Encyclopedia 工学邮资凭证释 Large Dragon Stamps大龙邮票 1878年（清光绪四年）中国清代海关试办邮政时期发行的中国第一套邮票。
随便看	shadow volume shadow wall shadow zone Shafarevich Shafarevich conjecture Shafarevich-Tate group Sha Fei Sha-fei Ouyang shaft shaft and drift construction machinery shaft and laneway modeling shaft arc furnace shaft boring shaft-boring machine shaft bottom plan shaft construction machinery shaft construction scheme shaft construction survey shaft cover platform shaft current shaft current of hydro-generator unit shaft deepening shaft development shaft distortion shaft drainage

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。