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长藤结瓜工程
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长藤结瓜工程
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理学
长藤结瓜工程
释
Irrigation system with reservoirs connected by canals in ancient China
长藤结瓜工程
中国古代陂渠串联的水库群。该类灌溉工程起源于西汉时期,东汉以后发展更快。“长藤结瓜”工程历史上主要分布在汉水支流唐白河流域和淮水支流汝水流域。
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point of closure
point of condensation
point of congruence
point of contact
point of continuity
point of contrary flexure
point of control
point of convergence
point of density
point of determinacy
point of discontinuity
point of dispersion
point of divergence
point of division
point of double inflexion
point of emanation
point of fracture
point of geological observation
point of higher order
point of indeterminacy
point of infinity
point of inflection
point of inflexion
point of interest
point of intersection
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