一、文献资源建设面临的网络环境 1.计算机网络迅速发展 据不完全统计，目前已有 186个国家和地区， 4000多万台主机联网，全世界有网页 30亿个，联机数据库已超过 1万种，网上用户已接近 5亿，且仍以每年 7％～ 12％的速度增加。我国从 1995年开始进入网络建设快速发展阶段 First, the literature resource construction facing the network environment 1. The rapid development of computer networks According to incomplete statistics, there are 186 countries and regions, more than 40 million host network, the world has 3 billion web pages, online database has more than 10,000 Species, online users have nearly 500 million, and still 7% to 12% annual rate of increase. Since 1995, our country has entered a stage of rapid development of network construction