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1.前言计算机在未来的信息时代中将起重要作用。目前,计算机一方面向大容量方向发展,另一方面向小型化、高性能方向发展。而且,由于微小型计算机的出现,有关它的应用研究正在各个领域内展开,取得了惊人的进展。在计算机内部使用的线缆中,尤为重要的是信号传输电缆。信号传输电缆主要采用同轴电缆和带状电缆。由于同轴电缆有优良的电气性能,因而很早就
1. Introduction Computers will play an important role in the information age of the future. At present, the development of computers on the one hand to large-capacity, on the other hand to the small, high-performance direction. Moreover, due to the advent of micro-computers, application research on it has been carried out in various fields and remarkable progress has been made. Of the cables used internally in the computer, the signal transmission cable is of particular importance. Signal transmission cables are mainly coaxial cable and ribbon cable. As the coaxial cable has excellent electrical performance, it has long been