spectrum中文
时间: 2024-11-08 00:54:02
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spectrum是什么意思_英语spectrum中文翻译_牛津英汉词典_英语词典
spectrum
/ 5spektrEm /
◙ (pl. spectra -trə)
1. a band of colours, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength
• 光谱
(the spectrum)the entire range of wavelengths of electromagnetic radiation
• 电磁辐射波长的全部范围
an image or distribution of components of any electromagnetic radiation arranged in a progressive series according to wavelength
• 电磁波谱
a similar image or distribution of components of sound, particles, etc., arranged according to such characteristics as frequency, charge, and energy
• 频谱
2. used to classify something, or suggest that it can be classified, in terms of its position on a scale between two extreme or opposite points
• 范围
»the left or the right of the political spectrum.
政治圈里的左派和右派。
a wide range
• 大范围；大幅度
»self-help books are covering a broader and broader spectrum.
指导自己动手的书籍涉及越来越广的范围。
【语源】
1. early 17th cent. (in the sense 'spectre'): from Latin, literally image, apparition', from specere 'to look'