/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser0e3074 https://public.slidesharecdn.com/v2/images/profile-picture.png ¸ßÐÛÊÐÜì¹â¹úС,ÓÒ²ý¹úÖбÏ