W xiangr Ying Shaokc shuo d naayang, "mu ship erw jiaoz bu sui", zhuazhur tie ffushou, jiuqc laom neanqingrren, zou shihg gih buz, xiekx yi kou qis, zhongyu zai siawuhz 7 dian zhongj, shang dao Nnantian Menm. Xin hai zai tiaoz, tuip hai zai doud, ren daoodil hhaishi ...
14. Kounadi, O. Assessing the quality of OpenStreetMap data. In Msc Thesis in Geographical Information Science; University College of London Department of Civil, Environmental and Geomatic Engineering: London, UK, 2009. 15. Haklay, M. How good is volunteered geographical information? A ...