英语词汇“electromagnetic spectrum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

electromagnetic spectrum

noun [mass noun] Physics

The range of wavelengths or frequencies over which electromagnetic radiation extends.The frequency range of the electromagnetic spectrum that is visible to the human eye (and which we refer to as ‘color’) is a very small region in the entire range of photon energies we have observed in nature....

The terahertz region lies between electronic and optical wave frequencies in the electromagnetic spectrum, and ranges from 100 GHz to 10 THz in frequency.
The radio frequency electromagnetic spectrum is more important to the Department of the Navy today than it has ever been in the more than 100-year history of radio.

单词	electromagnetic spectrum
释义	electromagnetic spectrum noun [mass noun] Physics The range of wavelengths or frequencies over which electromagnetic radiation extends.The frequency range of the electromagnetic spectrum that is visible to the human eye (and which we refer to as ‘color’) is a very small region in the entire range of photon energies we have observed in nature.... The terahertz region lies between electronic and optical wave frequencies in the electromagnetic spectrum, and ranges from 100 GHz to 10 THz in frequency. The radio frequency electromagnetic spectrum is more important to the Department of the Navy today than it has ever been in the more than 100-year history of radio.
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