CATV network has large excess bandwidth and high penetration to the home. The HFC broadband access system based on CATV network is becoming a main broadband access mode according with the situation of our country.是什么意思_CATV network has large excess bandwidth and high penetration to the home. The HFC broadband access system based on CATV network is becoming a main broadband access mode according with the situation of our country.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句