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国土生态安全
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国土生态安全
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national ecological security
国土生态安全
在国家尺度上,生态系统结构合理、功能完善、过程稳定,并能够为人类生存和经济社会发展持续提供良好生态系统服务的状态。
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urban economy
urban economy in Medieval Western Europe
urban economy of agglomeration
urban eco-security
urban ecosystem
urban efficiency
urban engineering geology
urban engineering geophysical exploration
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Urban environmental management
urban environmental protection
urban environmental quality
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urban environment problems in China
Urban Ethnic Work Regulations
urban expansion
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urban flood intersecting ditch
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urban forest planning and design
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