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中国古代水土保持技术
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中国古代水土保持技术
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理学
中国古代水土保持技术
释
soil and water conservation technology in ancient China
中国古代水土保持技术
中国古代防止水土流失,保护、改良和合理利用水土资源,维护和提高土地生产力,以利于充分发挥水土资源的经济效益、社会效益和生态效益,实现生态环境良性循环的综合性技术措施,包括工程技术和非工程技术。
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classical karst
classical Kuiper belt object
classical Lie algebra
classical Lie group
classical ligand
classical limit
classical limit of Schrodinger equation
classical location theory
classical logic
classically elegant
classical mathematics
classical measure theory
classical mechanics
classical method
classical methods for determinations of time and latitude
classical model
classical model of flux creep
Classical models of probability
classical model theory
classical molecular dynamics
classical monte carlo
classical Monte-Carlo method
classical music
classical nova
classical nucleation theory
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