Zhangguan town is a small town among the mountains in Yubei District of Chongqing.
张关镇，是重庆渝北区的一个山区小镇。
YEAHETEL is located in Yubei district, Chongqing, the core business zone — North Star Avenue, No. 19 North district.
重庆颐和幸福酒店地处重庆渝北区核心商业地带- - -北部新区星光大道19号。
Geographical factors were analyzed by GIS and topographic parameters were extracted in Yulin River watershed in Yubei district of Chongqing.
采用GIS技术对重庆渝北区御临河流域地理要素进行分析，并提取地形参数；
Geographical factors were analyzed by GIS and topographic parameters were extracted in Yulin River watershed in Yubei district of Chongqing.
采用GIS技术对重庆渝北区御临河流域地理要素进行分析，并提取地形参数；
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