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| DOI：10.7515/JEE201205005 |
| CSTR：32259.14.JEE201205005 |
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| Preliminary analysis of winter visibility variation in Xi′an, China |
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WANG Yi-chen，CAO Jun-ji，WANG Qi-yuan，REN Peng-kui，XIAO Shun1,2,3,4,5
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1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi′an 710075, China;2.Department of Environmental Science and Engineering, Xi′an Jiaotong University, Xi′an 710049, China;3.University of Chinese Academy of Sciences, Beijing 100049, China;4.Qinghai Geological Survey Institute, Xining 810012, China;5.Shaanxi Provincial Meteorological Bureau， Xi′an 710014, China
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