短語詞組短語radio -horizon 無線電地平radio relay horizon distance 無線電接力視距radio horizon range 無線電水平量程;無線電地平線距離standard radio horizon [電子]標準無線電地平線;標準無線電一增線RHR Radio Horizon Range 無線電水平量程radio horizon distance 無線電地平線距離radio communication beyond the horizon 超越地平線無線電通訊;視距外無線電通信New Horizon Radio Station 廣播站tra horizon radio -relay system 超地平無線接力系統(tǒng) 返回 radio horizon