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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
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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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environmental pollution map
Environmental Pollution Prevention and Control Law (China)
Environmental Pollution renovation Project
environmental pollution statistics
environmental portrait
environmental prediction map
environmental probiotics
environmental problems
environmental problems in nuclear power plants
Environmental Project Completion Acceptance
environmental propagation and education
environmental proportion
Environmental Protection
environmental protection
environmental protection archives management
environmental protection area
environmental protection commission of the state council
environmental protection cost
Environmental Protection Facility
environmental protection for drilling engineering
environmental protection for drilling operations
environmental protection industry survey communique
environmental protection information standards
environmental protection investment
environmental protection law and regulation system
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