“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	multiplicative type multiplicative valuation multiplicativity multiplicator multiplicator equation multiplicity multiplicity function multiplicity of a class multiplicity of a conjugate point multiplicity of a covering surface multiplicity of a critical point multiplicity of a Gaussian process multiplicity of a limit cycle multiplicity of a link multiplicity of a mapping multiplicity of a module multiplicity of an eigenvalue multiplicity of an ideal multiplicity of a point multiplicity of a pole multiplicity of a representation multiplicity of a ring multiplicity of a root multiplicity of a singular point multiplicity of a solution

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