英语词汇“protection span”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	protection span
释义	protection span A section of a carrier transmission system, including repeated line and in some cases terminal equipment, within which a broadband protection channel can be substituted for a working broadband channel in the event of equipment or line failure in the working channel.; 载波传输系统的一区段,包括重复的线路,有时还包括终端设备。在工作信道中的设备或线路出现故障的时候,一个宽带保护信道可以替代正在工作的宽带信道。
随便看	spectral passband spectral pattern spectral peak spectral period spectral phonoangiograph spectral phonoangiography spectral phonocardiogram spectral phonocardiograph spectral phonocardiography spectral photoconductivity spectral photographic plate spectral photography spectral photometer spectral photometry spectral photoresponse spectral point spectral position spectral power spectral power density spectral power distribution spectral power spectrum spectral preconditioning spectral presentation spectral processing spectral profile

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