Chan Tak-wai points out that the United States has many places where network trans mission has entered into cooperation with cable television, whose bandwidth can be increased many times over, which will raise the quality of network education.
http : // www.lisa.src.ncu.edu.tw/JII-class/class http : // dbweb.csie.ncu.edu.tw/ ∼ ncuvc/cpp1996 交通大學／微積分、多媒體資訊高速公路等