/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: YoshitakaKoike https://cdn.slidesharecdn.com/profile-photo-YoshitakaKoike-48x48.jpg?cb=1523271968 ¾±°¿³§¥¢¥×¥ê¥¢¥¤¥Ç¥£¥¢Ä¼¼¯ÖУ¡