In this paper,OC12/STM4 recieving/transmission chips group which is used to enhance the transmission ablity of fiber,and the O/E transformation components in SDH/SONET fiber systems are presented.是什么意思_In this paper,OC12/STM4 recieving/transmission chips group which is used to enhance the transmission ablity of fiber,and the O/E transformation components in SDH/SONET fiber systems are presented.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句