sky wave天空波學術名詞天波：測量學、電機工程、航空太空、氣象學、新聞傳播學、電子工程天空輻射波：航空太空、機械工程天[空電]波：物理學英文釋義a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface