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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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orthogonality theory
orthogonalization
orthogonalization method
orthogonalization procedure
orthogonalization process
orthogonalized plane wave method
orthogonalized plane wave method, OPW method
orthogonalized tight-binding method
orthogonal kernel
orthogonal k-frame
orthogonal Latin rectangles
orthogonal Latin square
orthogonal Latin squares
orthogonal layout
orthogonal leads
orthogonal Lie algebra
orthogonal linear manifolds
orthogonal linear transformation
orthogonal lines
orthogonal mapping
orthogonal mate of a Latin square
orthogonal matrix
orthogonal measurement
orthogonal measures
orthogonal metric
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