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- Aircraft Radio Corporation 飞机无线电公司
- Radio Corporation of America (RCA) is formed. 美国无线电公司（RCA）成立。
- Western Union, International Telephone and Telegraph (I.T.T.), and Radio Corporation of America (R.C.A.) are the largest companies. 西方联盟电报公司、国际电话电报公司(简称I．T．T.;)和美国无线电公司(简称R．C．A．)是最大的电报公司。
- Research on gallium nitride, a material that showed promise for blue LEDs, began in the late 1960s at the Radio Corporation of America (RCA), which wanted to use LEDs to create flat-panel televisions. 对于氮化镓的研究由美国无线电公司（RCA）于20世纪60年代开始，他们想利用LED做平面电视机，这种材料给蓝色LED带来生机。
- ARR (Aircraft Radio Regulations) 飞机无线电规程
- aircraft radio research institute 航空无线研究所
- Military Aircraft Radio Security 军用飞机无线电安全(勤务)
- Federal Radio Corporation of Nigeria 尼日利亚联邦广播公司
- RCA radio corporation of America 美国无线电公司
- Following a radio beam. Used of aircraft. 跟随无线电波。用于指飞机
- Air traffic controllers were in radio contact with the aircraft. 空中交通调度员通过无线电和飞机保持联络。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- He assembled the model aircraft bit by bit. 他一块一块地装配飞机模型。
- And works for Orlando Aircraft Corporation. 为奥兰多飞机制造公司工作。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- Enemy aircraft dropped bombs on the city. 敌机向这个城市投掷炸弹。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
