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The defense of Beijing
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The defense of Beijing
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历史学
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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。
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metallographic
metallographic microscope
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metallo ligand
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metallomics
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metallophilic interaction
metallophthalocyanine
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metalloporphyrin complex
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metalloprotease; metalloproteinase
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metalloproteinase
metalloproteomics analysis for geochemical sample
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metallothermic reduction
metallothermics
metallothionein
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