Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system.
以蒸发波导为代表的对流层大气波导传播，可使电波在较小的衰减下沿波导传播得很远，从而严重影响合适的无线电系统。
"When I left I said it was only because I could see what was on the horizon," he told Radio Five's Sportsweek programme.
“当我离开的时候，我说我离开的原因是因为我已经看到了前方将会发生什么。”他告诉电台的体育节目。
"When I left I said it was only because I could see what was on the horizon," he told Radio Five's Sportsweek programme.
“当我离开的时候，我说我离开的原因是因为我已经看到了前方将会发生什么。”他告诉电台的体育节目。
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