“modern nonferrous metals industry in China”的概念、定义、翻译、参考文献-科学参考

单词	modern nonferrous metals industry in China
释义	modern nonferrous metals industry in China Encyclopedia 工学﹝冶金工业﹞释 modern nonferrous metals industry in China中国近代有色金属工业从1840年鸦片战争到1949年中华人民共和国成立前的有色金属工业在急剧变化的历史时期中发展，经历了由手工业小生产到机器工业大生产，由传统技术到近代有色金属工业技术的转变过程。
随便看	optical modulation analyzer optical modulator optical molasses optical mouse optical multichannel analysis optical multi-channel analyzer optical multimeter optical multiplexing optical multistability optical navigation sensor optical network parameter analyzer optical network unit，ONU optical non-destructive testing optical nonlinearities of condensed matter optical nonlinearities of organic material optical nutation optical object optical observation optical observation of satellite optical observation of space objects optical observatory optical orthogonal code optical orthogonal frequency division multiplexing transmission system optical outburst optical packet switching，OPS

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。