清洁，保证清晰的信号在长距离电缆长度，减少对信号的中继器的需要，对总安装成本节省。
Clean, crisp signals are ensured over long cable lengths, decreasing the need for signal Repeaters and saving on total installation costs.
桥式放大器CATV中继线电缆中安放的一种放大器，用于馈接分支电缆。
Bridge amplifier an amplifier installed on a CATV trunk cable to feed branching cables.
另外两个电缆从在大楼中央服务管中继接收设备，然后继续下跌地下25毫米聚乙烯管道。
Two other cables from the receiving equipment drop in trunking in the central service duct of the tower block and then continue underground in 25 mm polythene conduit.
每个中继器都配备了一主电源的1.9米电缆供电单元。
Every repeater unit is supplied with a mains power supply unit with a 1.9 metre cable.
由于3g信号频率高，在地铁中的泄漏电缆损耗和空间损耗将大大增加，为了达到覆盖要求，必然要引入中继放大。
Repeaters have to be employed in metros to meet the coverage requirements because leakage cables and free Spaces are much more spoiled due to high frequency of 3g signal.
本实用新型涉及电气基本元件中的一种线路连接器，它是由一电缆线穿入中继套后，再与一插头嵌合；
The utility model relates to a line connector belonging to an electric basic element. A cable line is penetrated into a relay sheath, and then is tabled with a plug.
本实用新型涉及电气基本元件中的一种线路连接器，它是由一电缆线穿入中继套后，再与一插头嵌合；
The utility model relates to a line connector belonging to an electric basic element. A cable line is penetrated into a relay sheath, and then is tabled with a plug.
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