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grassland tea-horse trade
释义
grassland tea-horse trade
Encyclopedia
农学
〔草原文化〕
释
grassland tea-horse trade
草原茶马贸易
中国西部少数民族多从事畜牧业,用马匹、牛、羊等牲畜和动物皮革等畜产品与内地农耕民族交换其生产的茶叶、布帛、铁器等生产生活必需品的大规模集市性贸易活动。是“茶马互市”的重要内容。“互市”是历史上对外国或异民族之间贸易的通称。
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polarized neutron
polarized neutron technique
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polarized wave
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polarizer
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polarizing
polarizing angle
polarizing beam
polarizing beam splitter
polarizing beamsplitter
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polarizing eyepiece
polarizing microscope
polarizing microscopic identification
polarizing monochromator
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