电磁干扰以多种方式存在于汽车内部，这些干扰对车载电子装置及无线电接收设备会产生不同程度的影响。
The electromagnetic interference exists in the automobile with the different kinds. The interference has the varying degree influence on the vehicle electronic device and the radio receiver.
前置放大器电子线路或装置，用来探测并加强无线电接收机所发出的微弱信号，从而使其达到更加有力的增幅程度。
An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.
由此，能提供既容易看时间显示装置又能确保充分的标准无线电接收电平的无线电控制时钟。
By this arrangement, while the time display measure is made easier to be seen, the radio controlled timepiece that can ensure the sufficient standard-wave receiving level can be provided.
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