释义 |
electromagnetic spectrumn.(名词)electromagnetic spectrum frequencies in hertzA. gamma raysB. x-raysC. ultraviolet raysD. visible lightE. infrared raysF. microwavesG. radio wavesPrecision Graphics- The entire range of radiation extending in frequency from approximately 1023 hertz to 0 hertz or, in corresponding wavelengths, from 10 -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 -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
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