以网络为中心的计算环境在全球获得普及。时至今日,基于网络计算的电子商务应用正在成为当今信息技术领域的主旋律。为此电子商务也得到了各国政府的支持。美国美国政府一直在密切注意着电子商务技术的发展,并在硅谷建立了美国商业协会。不断举行各种研讨会以推动和协调电子商务在美国的发展。在不久前美国克林顿总统公开 The network-centric computing environment has gained worldwide popularity. Today, e-commerce applications based on network computing are becoming the main theme in today’s information technology. To this end, e-commerce has also received support from various governments. The United States and U.S. government have been paying close attention to the development of e-commerce technology and established the American Business Association in Silicon Valley. Various seminars are held to promote and coordinate the development of e-commerce in the United States. Not long ago, President Clinton made public