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broadband 音標拼音: [br'ɔdb,ænd] 寬帶;
(能傳送極寬范圍波頻的媒介。它可以同時負載多條信號,將整個頻寬分割成多個獨立的頻道,而每個頻道在特定的頻率范圍內運作) 寬帶; (能傳送極寬範圍波頻的媒介。它可以同時負載多條信號,將整個頻寬分割成多個獨立的頻道,而每個頻道在特定的頻率範圍內運作) broadband 寬頻 BB broad-band 寬頻 broadband 寬頻 broadband adj 1: of or relating to or being a communications network in which the bandwidth can be divided and shared by multiple simultaneous signals (as for voice or data or video) 2: responding to or operating at a wide band of frequencies; "a broadband antenna" [synonym: {broadband}, {wideband}] supporting a wide range of frequencies, typically from audio up to video frequencies. A broadband channel can carry multiple signals by dividing the total capacity into multiple, independent bandwidth channels, where each channel operates only on a specific range of frequencies. The term has come to be used for any kind of {Internet} connection with a {download} speed of more than 56 {kbps}, usually some kind of {Digital Subscriber Line}, e.g. {ADSL}. A broadband connection is typically always connected, in contrast to a {dial-up} connection, and a fixed monthly rate is charged, often with a cap on the total amount of data that can be transferred. Domestic broadband connections typically share a telephone line with normal voice calls and the two uses can occur simultaneously without interference. See also {baseband}, {narrowband}. (2006-03-30)
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