简述中国科技网(China Science and Technology Network)的发展历史,实际上也就是中国 Internet 的发展历史。其早期的发展可分为两个阶段。第一个阶段为非正式的连接,连接手段低级,速度慢。以收发电子函件为主;第二个阶段为完全的 Internet连接,由中国科学院网络信息中心(CNIC,CAS)于1994年4月完成,提供 Internet 的全部功能。 A brief history of the development of China Science and Technology Network is actually the history of Internet development in China. Its early development can be divided into two stages. The first stage is an informal connection, a low-level connection, and slow. The second phase is a complete Internet connection, completed by the Network Information Center of the Chinese Academy of Sciences (CNIC, CAS) in April 1994, providing all the functions of the Internet.