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城市空间引力模型
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城市空间引力模型
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urban spatial gravity model
城市空间引力模型
根据距离衰减原理和牛顿万有引力公式构造出来的用于衡量两个城市区域间空间相互作用力大小的抽象结构。是用来分析和预测城市空间的相互作用、城市经济影响力范围、城市间要素流动、城市土地利用变化等城市空间现象的数学方程。
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pathogenic qi
pathogenic variation of pathogen
pathogen limits for food
pathogen microscopic diagnostic techniques
pathogen preservation
pathogen resistance trait of transgenic plant
pathogens causing canker
pathogens causing downy mildews
pathogens causing leaf spot
pathogens causing powdery mildew
pathogens causing scab
pathogens causing smut
pathogens causing wilt disease
pathological
pathological atrophy
pathological calcification
pathological changes of neuron
pathological characteristics of children
pathological diagnosis
pathological drunkenness
pathological examination
pathological function
Pathological jaundice
pathological lying
pathological material deposition
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