“ancient bronze casting technique”的概念、定义、翻译、参考文献-科学参考

单词	ancient bronze casting technique
释义	ancient bronze casting technique Encyclopedia 工学﹝古代机械制造技术﹞释 ancient bronze casting technique古代青铜冶铸技术铜是人类历史上最早使用的金属，青铜是红铜（纯铜）加锡、铅熔制而成的合金，熔点为700～900℃，比红铜的熔点（1083℃）低。
随便看	infinite product infinite product representation infinite program infinite progression infinite projection infinite-quantifier infinite rank infinite region infinite representation type infinite ring infinite sequence infinite series infinite set infinitesimal infinitesimal analysis infinitesimal automorphism infinitesimal bending infinitesimal birth rate infinitesimal calculus infinitesimal canonical transformation infinitesimal character infinitesimal chart infinitesimal circle infinitesimal condition infinitesimal connection

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。