| 释义 |
electromagnetic spectrum【化】 电磁谱【医】 电磁波谱 electromagnetic spectrum electromagnetic spectrum n.（名词）The entire range of radiation extending in frequency from approximately 1023 hertz to 0 hertz or, in corresponding wavelengths, from 10 &9{-13} centimeter to infinity and including, in order of decreasing frequency, cosmic-ray photons, gamma rays, x-rays, ultraviolet radiation, visible light, infrared radiation, microwaves, and radio waves. 电磁波频谱：辐射的全部范围从频率大约为1023赫到0赫，相应的波长从10 &9{-13}厘米到无限，按减少频率顺序包括宇宙射线光子、伽马射线、X射线、紫外辐射线、可见光、红外射线、微波和无线电波 |