live broadcast 直接广播,直播
rebroadcast 重播
recorded broadcast, recorded transmission 录音后广播
broadcasting station, transmitter 电台
aerial 天线
indoor aerial 室内天线
network 广播网,电视广播网
wave length 波长
long wave 长波
medium wave 中波
short wave 短波
kilocycle 千周
echo chamber 回响室
recording studio 录音棚
sound recording 录音
sound technician, sound engineer 录音师
tape recorder 磁带录音机
microphone 传声筒,话筒
earphones 耳机
loudspeaker 喇叭
track 轨,声道
recording head 录音磁头
playback head 放音磁头
erasing head 抹音磁头
turntable 唱机转盘
tone control 音调控制
tuner knob, tuning knob 调谐钮
frequency modulation 调频
high fidelity, hi-fi 高保真
interference 干扰
valve 电子管
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