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ANT(antenna)天线rn ADSL(Asymmetric Digital Subscriber Loop)rn非对称数字用户线rn Add new transponders加入新频道rn ATM(Asynchronous Transfer Mode)异步传输模式rn AAS(Automatic Addressing System)自动寻址系统rn ACI(Adjacent-channel Interference)邻频干扰rn AFC(Automatic Frequency Control)自动频率控制rn AFT(Automatic Frequency Tune)自动频率调谐rn AGC(Automatic Gain Control)自动增益控制rn AM(Amplotude Modulation)调幅rn Automatic Level Controued Amplifierrn自动电平控制放大器rn