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low-lying paddy fields surrounded with dykes
释义
low-lying paddy fields surrounded with dykes
Encyclopedia
农学
圩田
释
low-lying paddy fields surrounded with dykes
圩田
将沿江、河、湖泊周边低洼易涝地区通过筑堤围出的农田。长江下游称“圩”,长江中游称“垸”,也统称圩垸。
历史学
经济财政
释
low-lying paddy fields surrounded with dykes
圩田
中国宋代江淮、钱塘江流域常见的一种水利田,在不同地域,又称围田、湖田。
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projective scale
projective scaling method
projective scheme
projective second-order curve
projective set
projective space
projective space over a scheme
projective special linear group
projective special orthogonal group
projective special unitary group
projective spectrum
projective spectrum of a ring
projective stationary set
projective straight line
projective structure
projective subcone
projective subspace
projective surface
projective symplectic group
projective system
projective system of topological groups
projective technique
projective tensor
projective test
projective theorem
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