全球蓬勃兴起的以信息技术革命为中心的当代科技革命，标志着人类正在从工业社会向信息社会进行历史性跨越，信息化、知识化将成为本世纪最鲜明的时代特征，信息产业将成为未来的主导产业。伴随世界范围内的信息科技革命，通信技术以前所未有的速度发展更新，一个全新的电信世 The global revolution in science and technology, centered around the revolution in information technology, marks the historical leap forward in which mankind is moving from an industrial society to an information society. Information and knowledge will become the most distinctive characteristics of this century and the information industry will become the future The leading industry. With the worldwide revolution in information technology, communications technology is developing at an unprecedented rate and a new telecommunications world