5.1.1
ne_50m_admin_0_countries.zip （17个子文件） 
ne_50m_admin_0_countries 
ne_50m_admin_0_countries.shp 1.54MB
ne_50m_admin_0_countries.README.html 38KB ne_50m_admin_0_countries.shx 2KB ne_50m_admin_0_countries.prj 143B
ne_50m_admin_0_countries.VERSION.txt 7B convert_toWKT.py 379B output.csv 3.64MB china.wtk 68KB ne_50m_admin_0_countries.cpg 5B ne_50m_admin_0_countries.dbf 768KB ne_50m_admin_0_countries.shp 1.54MB ne_50m_admin_0_countries.README.html 38KB ne_50m_admin_0_countries.shx 2KB ne_50m_admin_0_countries.prj 143B ne_50m_admin_0_countries.VERSION.txt 7B ne_50m_admin_0_countries.cpg 5B ne_50m_admin_0_countries.dbf 768KB资源评论
