broadcasting wave length

基本解释

Once the existence of this wave-length had been discovered, it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
一旦這種波長的實際存在被發現，提出把它作爲星際間唯一可辨認的廣播頻率就爲期不遠了。
Once the existence of this wave-length had been discovered, it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
這個波長的存在一經發現，沒多久它就被建議用來作爲星際通訊使用的唯一可以被辨認的廣播頻率。
liulinalizhi083.blog.163.com