论文部分内容阅读
美国贝尔电话实验室根据一项专题调查报告指出,在未来20年内,全球电话设备市场将出现重大变化。电话通讯将朝着小型化、多功能和全球性的方向发展。美国、欧洲和日本已有近20家大公
According to a special survey report by Bell Telephone Laboratory in the United States, major changes will occur in the global telephone equipment market in the next 20 years. Telephone communications will move toward miniaturization, versatility and global growth. There are nearly 20 grandmas in the United States, Europe and Japan