“北京保卫战”的概念、定义、翻译、参考文献-科学参考

单词	北京保卫战
释义	北京保卫战 Encyclopedia 历史学政治史释 The defense of Beijing北京保卫战中国明代正统十四年（1449）蒙古瓦剌部骑兵在首领也先率领下攻打明朝首都北京，明朝军民在明景帝领导、于谦主持下开展的一场首都保卫战。
随便看	coalition structure generation coal law coal liquefaction coal log processing and interpretation software coal matrix shrinkage effect coal measure source rock coal measure strata coal milling system coal mine gas explosion coalmine high pressure isothermal adsorption experiment coal miners bursitis coal miner's pneumoconiosis Coal Miners Series coal mine safety regulation coal mining coal moisture control coal non combustible coal non-combustible coal noncombustible coal occurrence tectonic units coal oil blended fuel coal oil co refined coal oil co-refined coal oil mixture fuel coal-oil mixture fuel

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。