白炽灯泡灯将无法工作，因为它们的光线不能在不同频率的调制方式LED的可以。

Incandescent bulb headlights won't work because their light can't be modulated over different frequencies the way LED's can.

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在无线技术中，冲突发生在两个发射器在相同的时间、相同的频率发送相同的调制方式。

In wireless technology, collision occurs when two transmitters transmit at the same time with the same modulation scheme on the same frequency.

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调幅广播可以发送更远的距离，但它的声音质量却不及后来一种被称为频率调制的无线电信号处理方式优越。

AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.

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