/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: torjonghyun https://public.slidesharecdn.com/v2/images/profile-picture.png 犖�犖∇顕犖�犢�犖�犢�犖�犖�犖園��犖о鹸犖�犖∇顕犖�犖迦肩犖�犖�犢� 犖�犖橿��犖迦��犖�犖朽�� 犖�犖�犖�犢�犖�犖� NASA