This urban center of the Mississippi culture had organized leadership， commerce and a penchant for mound-building.

这座密西西比河流域的文化中心曾经出现过井然有序的社会、繁荣的商业并修建堤坝。

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As the center of Qilu culture, Jinan urban architectural custom shows its traditional and thick aspect.

作为齐鲁文化的中心，济南城市建筑习俗展现的是其传统、敦厚的一面。

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Urban region is congregation center of economy and culture, is the most frequent change region of land use change.

城市土地利用变化的焦点是建设扩张与耕地禀赋限制。

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