frequency modulation 調(diào)頻
high fidelity,hi-fi 高保真
interference 干擾
valve 電子管 (美作:tube)
radio station 廣播站
radio engineering,radio-technology 無線電技術(shù)
radio receiver,radio set,receiving set,wireless 收音機(jī)
radio engineer 無線電工程師
radio transmission 無線電廣播
radio transmitter 無線電廣播發(fā)射機(jī)
radio frequency 無線電廣播頻率
dial 刻度盤
to dial,to tune in 調(diào)諧
signature tune 音調(diào)
listener 聽眾
VHF 甚高頻,特高頻
UHF 超高頻
NTSC NTSC制式
PAL PAL制式
SECAM SECAM制式
to televise,telecast,television broadcasting 電視播送
colour television 彩色電視
closed-circuit television 閉路電視
telecommunication satellite 通信衛(wèi)星
television set,television receiver 電視接收機(jī),電視機(jī)
screen 屏幕
high fidelity,hi-fi 高保真
interference 干擾
valve 電子管 (美作:tube)
radio station 廣播站
radio engineering,radio-technology 無線電技術(shù)
radio receiver,radio set,receiving set,wireless 收音機(jī)
radio engineer 無線電工程師
radio transmission 無線電廣播
radio transmitter 無線電廣播發(fā)射機(jī)
radio frequency 無線電廣播頻率
dial 刻度盤
to dial,to tune in 調(diào)諧
signature tune 音調(diào)
listener 聽眾
VHF 甚高頻,特高頻
UHF 超高頻
NTSC NTSC制式
PAL PAL制式
SECAM SECAM制式
to televise,telecast,television broadcasting 電視播送
colour television 彩色電視
closed-circuit television 閉路電視
telecommunication satellite 通信衛(wèi)星
television set,television receiver 電視接收機(jī),電視機(jī)
screen 屏幕