Other forms of radiant energy familiar to us are radio waves,infrared rays,ultra-violet rays,X rays,and gamma rays.
Other forms of radiant energy familiar to us are radio waves,infrared rays,ultra-violet rays,X rays,and gamma rays.
我们熟悉的另外一些形式的辐射能是电磁波，红外线、紫外线、X射线和伽玛射线。