R 開頭單詞
radio wave 無線電波
radio valve 無線電真空管；電子管；整流器真空管
radio urgency signal [交通運(yùn)輸工程]無線電緊急信號(hào)
radio tube n. 電子管
radio transmitter 無線電廣播發(fā)射機(jī)
radio transmission technology [計(jì)算機(jī)科學(xué)技術(shù)]無線電播送技術(shù)無線電傳輸技術(shù)
radio transmission 無線電廣播
radio test set [經(jīng)濟(jì)學(xué)]無線電測試設(shè)備
radio terminal equipment 無線電終端設(shè)備
radio television signal 射頻電視信號(hào)
radio teletype transmitter [經(jīng)濟(jì)學(xué)]無線電傳發(fā)射機(jī)[自然科學(xué)]無線電傳發(fā)射機(jī)
radio telescope [天] 電波望遠(yuǎn)鏡；無線電天文望遠(yuǎn)鏡
radio telephone transmitter [經(jīng)濟(jì)學(xué)]無線電話送話器
radio telephone receiver [經(jīng)濟(jì)學(xué)]無線受話器
radio telephone call 無線電話
radio telemetering equipment [經(jīng)濟(jì)學(xué)]無線電遙測設(shè)備
radio supernova remnant 射電超新星殘余