对雷电及其危害简单概述,并讨论雷电对有线电视网络的影响。针对雷电及有线电视网络的特点,深入探讨有线电视网络防雷采取的一些措施。 A brief overview of thunder and lightning and its impact, and discuss the impact of thunder and lightning on cable television networks. Aiming at the characteristics of thunder and lightning and cable television networks, some measures taken for lightning protection of cable television networks are discussed in depth.