“The defense of Beijing”的概念、定义、翻译、参考文献-科学参考

单词	The defense of Beijing
释义	The defense of Beijing 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	Record the Three Events of Wang Zhongsu record time recored(recorded) of visual sunspot in China Recounting My Aims recourse matrix recourse of administrative compensation recover recoverable resources recoverable satellite recovery recovery and recrystallization recovery and treatment of mining geo-environment recovery capability recovery characteristic recovery creep Recovery From an Illness recovery from the failure recovery of enforcement recovery of gas reservoir recovery of natual gas liquids with ammonia compression refrigeration process recovery of natural gas liquids recovery of natural gas liquids expansion and cryogen refrigeration process recovery of natural gas liquids with ammonia absorb refrigeration process recovery of natural gas liquids with expansion refrigeration process recovery of natural gas liquids with gas wave refrigeration process

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