To test the program , the Fengzui River in Nanchuan City , Chongqing Municipality, is selected as the example and the GIS-based software of Fengzui River water pollution control planning is developed.
论文最后以重庆南川市凤嘴江为实例，开发了基于GIS技术的凤嘴江水污染控制规划软件。
The river from west and its branches of Nanchuan river from south, and Beichuan river from north meet in the city and go eastward through the whole city.
西宁市的海拔为2275米，市区坐落在湟水中游谷地，湟水及其支流南川河、北川河从西、南、北三面汇合于市区，向东贯流全市。
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