“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	sprain of ankle joint sprain of elbow joint spray spray angle spray-applied waterproof layer spray bonding spray bonding interlining spraybubbling type deaerator without deaerating head spray characteristic spray coating spray coating technique spray co-deposition processing of metal-particulates spray combustion spray deposition spray desuperheating spray discharge spray dryer spray drying spray drying of mineral processing products spray drying tower spray electrification sprayer spray experiment spray forming spray hair tape yarn spinning

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。