Traffic noise in Southern Suburbs of Xi'an decreased with the distance increase in horizontal direction.
西安南郊道路噪声在水平方向上随距离的增加而降低。
参考来源 - 西安市南郊道路交通噪声污染评价研究·2,447,543篇论文数据，部分数据来源于NoteExpress
长安区地处西安南郊，地热水资源蕴藏比较丰富。
Chang 'an Prefecture locates at the south of Xi 'an, with rich he terrestrial heat and water resources.
本研究的样区位于西安南郊、东郊和长安县附近。
This study focuses on such areas as the southern and eastern part of Xi 'an and near Chang 'an county.
大雁塔位于西安南郊大慈恩寺内，距市中心约4公里。
It is located in the southern suburb of Xian City, about 4 kilometers (2.49 miles) from the downtown of the city.
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