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农田排水系统
释义
农田排水系统
Encyclopedia
农学
农业水土工程
释
farmland drainage system
农田排水系统
排除农田过多的地表水和土壤水,降低耕作层中的地下水位,并将农田中多余的水滞蓄或输送到容泄区的工程设施。
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Picard group
Picardie
Picard integral
Picard integral equation
Picard-Lefschetz formula
Picard-Lefschetz theory
Picard-Lefschetz transformation
Picard little theorem
Picard method
Picard number
Picard problem
Picard scheme
Picard sequence
Picard small theorem
Picard successive approximation method
Picard theorem
Picard type theorem
Picard value
Picard variety
Picard-Vessiot extension field
Picard-Vessiot theory
picardy third
Picaresque novel
Picasso And His Bull
PICC
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