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双重堤防
释义
双重堤防
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理学
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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pyrrolinone
pyrrolizidine alkaloid
pyrrolizidine allsaloid
pyrrolizidine derivative
pyrrolizidine derivative (PAs)
pyrrolizine
pyrrolo[1,2-a]pyridine
pyrrolo[1,2-a]pyrrole
pyrrolobenzodiazepine
pyrrolysine
pyrrolysine (Pyl; O)
pyrrotriazole
pyruvate
pyruvate formatelyase
pyruvate formatelyase (PFL)
pyruvate kinase
pyruvate kinase deficiency
pyruvic acid
Pythagoras
Pythagoras constant
Pythagoras crater
Pythagoras of Samos
Pythagoras of Samos (约公元前580—约前500)
Pythagoras theorem
Pythagoras tree
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