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城乡梯度
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城乡梯度
Encyclopedia
理学
〔城市生态学基本概念〕
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urban-rural gradient
城乡梯度
生态系统的要素、结构、过程、功能和服务从城市到乡村逐渐变化的趋势。是城市逐步向外扩张形成的空间格局。
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modern Chinese opera
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Modern Chinese Sculpture
modern Chinese singing art
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modern Chinese teacher education thoughts
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modern construction technology
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modern control theory
modern copper metallurgy industry in China
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Modern Criticism sect
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Modern Design
modern design
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更新时间:2025/11/26 22:22:42