由于上海中心城区建筑密集，地形复杂，一直是三维建模的重点和难点。
As the Shanghai downtown construction-intensive, complex terrain, has been the focus of three-dimensional modeling and difficult.
上海中心城区人口的外迁，虽然有利于城市空间的合理布局，但同时也引发了一系列的问题。
Relocation of population from Shanghai downtown areas, though conducive to the reasonable layout of city space, has triggered a series of questions.
为此，重点研究了上海中心城区某合流制排水区域JXB系统雨天污染物溢流的出流过程和污染物的事件平均浓度，并探讨了溢流污染物的初期效应。
The process of pollutant overflow from the JXB sewer system and the event mean concentrations(EMCs) of overflows in Shanghai were studied, and the first flush effects were discussed.
上海世博公园不仅是2010年上海世博园区核心公共空间，更是上海中心城区及沿黄浦江的一块结构型公园绿地。上海世博公园绿地要承载超高密度人流，交通系统规划设计是关键。
Shanghai Expo Park is not only the central public space of 2010 Shanghai Expo Park Area but also the park and green land of central Shanghai city and riverside of Huangpu River.
上海世博公园不仅是2010年上海世博园区核心公共空间，更是上海中心城区及沿黄浦江的一块结构型公园绿地。上海世博公园绿地要承载超高密度人流，交通系统规划设计是关键。
Shanghai Expo Park is not only the central public space of 2010 Shanghai Expo Park Area but also the park and green land of central Shanghai city and riverside of Huangpu River.
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