/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: ichirosatoh1 https://cdn.slidesharecdn.com/profile-photo-ichirosatoh1-48x48.jpg?cb=1523465924 国立情報学研究所?教授 PhD., Professor National Institute of Informatics. Japan