radio waves have been的意思

radio waves have been中文翻譯：

無線電波已經

相似詞語短語

radio waves───[電子]無線電波

have been───已經；一直；去過（現在完成時）

have been dead───已經死了

have been there───親眼看到；直接了解；全都知道；曾到過那里；全都知道，直接了解，親眼看到

l have been───我一直

have been to───v.曾經到過（去過）

have been in───呆在某個地方；去過某個地方

have you been───你有沒有

have been on───已經開始了

雙語使用場景

Radar works by recording radio waves that have been reflected from the object under observation.───通常雷達通過從物體反射回的無線電波來確認位置。

Some very important discoveries have been made by this technology, especially you consider that some objects in space give off radio waves but don't emit any light.───技術后，已取得了一些非常重要的發現，尤其是考慮到太空中的一些物體會發出無線電波，但不會發出任何光。

Ambient radio waves have largely been ignored as a potential power source until recently, because the power of a broadcast radio signal rapidly decreases with distance.───直到最近環境無線電波才格外受到重視成為一種潛在的電源，這是因為廣播電臺的無線電信號發電隨著距離的增加而銳減。

Radio waves have been considered radiant energy.───人們已經認識到，無線電波是一種輻射。

英語使用場景