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irrigation water management in ancient China
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irrigation water management in ancient China
Encyclopedia
理学
古代灌溉用水管理
释
irrigation water management in ancient China
古代灌溉用水管理
中国古代通过对灌溉系统中各种工程设施的控制、运用和灌溉管理以合理分配与利用水资源的制度与措施。
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reduced Abelian p-group
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reduced Clifford group
reduced closed subscheme
reduced cobordism group
reduced code
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