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熙河开边
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熙河开边
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Battles for Recapture Xihe regions in the Northern Song Dynasty
熙河开边
北宋熙宁时期,在神宗和王安石变法派支持下,由王韶主持,宋朝降服西北河湟吐蕃诸部,建置熙河路,收复熙、河、洮、岷、叠、宕等州幅员3000里地域,取得了开边拓土的重大胜利。
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optical emission
optical emissivity analyzer
optical encryption
optical endoscopy and cold light source
optical engine
optical equipment
optical excitation
optical excitation of carrier
optical extraction without prejudice
optical feedback
optical fiber
optical fiber amplifier
optical fiber and cable
optical fiber and optical communication
optical fiber biosensor
optical fiber cable
optical fiber communication
optical fiber connector
optical fiber device
optical fiber dispersion compensation
optical fiber face plate
optical fiber flange adapter
optical fiber for communication
optical fiber geophone
optical fiber identifier
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