Radio telescopes are sometimes grouped together, is the same effect as having one big telescope to increase radio wave gathering power.
射电望远镜有时会被组合在一起,这与使用一个大望远镜来增加无线电波的收集能力是一样的。
You can smell a radio wave.
你闻不到无线电波。
You can touch a radio wave.
你摸不到无线电波。