“元至正“神飞”铜铳”的概念、定义、翻译、参考文献-科学参考

单词	元至正“神飞”铜铳
释义	元至正“神飞”铜铳 Encyclopedia 历史学中国古代科技文物释 Bronze Gun with the Inscription“Shen Fei”of the Zhizheng Reign,Yuan Dynasty元至正“神飞”铜铳中国元代至正十一年（1351）制铜手铳。
随便看	shift-in shift-induced interference shifting shifting balance theory shifting bottleneck procedure shifting cultivation shifting dunes control at Ningxia Shapotou Section of the Baotou-Lanzhou Railway Shifting (Funds) shifting method shifting operator shifting sand shifting sandy land shifting theorem shift instruction shift invariant discrete time system shift-invariant operator shift left shift network shift of the graduation shift of the origin shift operation shift operator shift-out shift parameter shift property

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。