When driving in fog, you should use your: fog lights only.

驾驶时，在雾，您应该使用：雾灯只。

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Usually the scattering of energy is considered a nuisance -- whether driving in fog or poor reception from a cell phone tower -- and most techniques either try to avoid it (by turning on fog lights) or reduce the impact of scattering (by selecting energy for the phone only from direct paths).

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