短语词组短語AM Superheterodyne Receiver 調幅超外差接收機AM radio receiver 振幅調變無線電接收機AM receiver amplitude modulation 調幅接收機am -telemetry receiver 調幅遙測接收機portable cassette type FM -AM recorder-receiver 便攜式盒式調頻調幅收錄機 返回 AM receiver