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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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freshwater shellfish breeding
freshwater shellfish fungal diseases
freshwater shellfish seed culture
freshwater shellfish viral diseases
freshwater species
fresh water storage works
freshwater unionids
Fresnel
fresnel
Fresnel approximation
Fresnel, Augustin-Jean
Fresnel bimirror
Fresnel biprism
Fresnel diffraction
Fresnel diffraction by a circular aperture
Fresnel diffraction by a circular obstacle
Fresnel diffraction by a straight edge
Fresnel double mirror experiment
Fresnel double prism experiment
Fresnel elastic surface
Fresnel equations
Fresnel formula
Fresnel half period zone
Fresnel hologram
fresnel hologram
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