“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	graph reduction machine graph representation graph scheme graph section graph spectrum graph square graph standard graph state graph stream algorithm graph strong product graph sum graph theorem graph-theoretic graph-theoretical graph-theoretic algorithm graph-theoretic method graph theory graph theory modeling method graph theory of polymer graph thickness graph transformation graph two-coloring graph union graph vertex graph with loops

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。