Especially in the central area of medium-sized cities generally high density of land development result in frequent traffic jams, a serious urban transportation and land use issues.

尤其是大中城市中心区土地开发密度普遍过高，造成交通频繁拥堵，导致出现严重的城市交通与土地利用题目。

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With the mobility of urbanization in China to further accelerate the process, urban land use tend to focus on high-density development, and traffic pressure is increasing more and more.

随着我国城市化机动化进程的进一步加快，城市土地利用趋向于高密度集中开发，交通压力越来越大。

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When used in density calculations, buildable land excludes public rights-of-way and land excluded from development by codified law.

在密度计算中使用时，可建造土地不包括公共道路用地和现行法律禁止开发的土地。

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