自动调谐的超高频信号接收器现普遍使用在小汽车上。
你汽车上与绕轨道运行的卫星发出的无线电信号调谐的传感器能随时精确地确定你汽车的方位,并告知交通阻塞情况。
Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams.
凭借专门调谐成收集来自这家电视台一兆瓦发射器信号的接收机,他们能够产生60毫瓦的电力。
With their receiver tuned specifically to pick up signals from this one megawatt transmitter, they were able to generate 60 microwatts of power.
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