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双重堤防
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双重堤防
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双重堤防
释
double embankment system
双重堤防
明代治河专家潘季驯为实现“束水攻沙”目标,总结前人经验,在黄河下游徐州至海口两岸建设的堤防工程系统。
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tangential polar coordinate
tangential polygon
tangential port
tangential property
tangential quadrilateral
tangential representation
tangential section
tangential sphere bundle
tangential stress
tangential tetrahedron
tangential transformation
tangential triangle
tangential unit vector
tangential variety
tangential velocity
tangential wall
tangential wound
tangent indicatrix
tangent internally
tangent line
tangent local charts
tangent map
tangent mapping
tangent method
tangent microbundle
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