掌握和发展信息技术，绝不能等闲视之──邮电大学名誉校长叶培大先生言谈录一个炎热的星期六下午，叶老如时赴约。一样的精神抖擞，一样的神采奕奕，使我想起大约半年前我对叶老的第一次访问。我清楚地记得，上次采访，叶老给我讲述了“信息高速公路”所包括的四个关键方... Mastery and development of information technology, must not be taken lightly - the honorary president of post and telecommunications University, Mr. Ye Pei Da speech recorded a hot Saturday afternoon, Ye Laotu appointment. The same energy and vitality, reminding me of my first visit to Ye Lao about six months ago. I clearly remember that in the last interview, Ye Lao told me about the four key parties included in the “Information Superhighway”.