在信息技术日新月异的发展推动下，电信业成为80年代以来发展最快的产业。如今，它仅次于医疗保健和金融，成为全球第三大产业，并且还在迅猛发展，可能成长为世界第一大产业。信息技术的发展趋势是有线通信和无线通信的结合，传统电信和计算机网络通信的结合，电信产业和媒体 Driven by the rapid development of information technology, the telecommunications industry has become the fastest-growing industry since the 1980s. Today, it is second only to healthcare and finance, making it the third-largest industry in the world and growing rapidly to become the world’s largest industry. The development trend of information technology is the combination of wired and wireless communications, the combination of traditional telecommunications and computer network communications, the telecommunications industry and the media