By learning from the city growth mechanism, the rivalship and evolvement of niche and evolvement of urban spacial frame were discussed.
要本文从城市生长机制着手，论述了生态位的竞争与演化以及导致城市结构和
间的变化；
By learning from the city growth mechanism, the rivalship and evolvement of niche and evolvement of urban spacial frame were discussed.
要本文从城市生长机制着手，论述了生态位的竞争与演化以及导致城市结构和间的变化；
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