| 释义 |
spectrum/ˈspektrəm/n. (pl. spectra /-trə/) 1 a band of colours, as seen in a rainbow etc., produced by separation of the components of light by their different degrees of refraction according to wavelength 谱；光谱 2 the entire range of wavelengths of electromagnetic radiation 电磁波谱 3a an image or distribution of components of any electromagnetic radiation arranged in a progressive series according to wavelength 频谱 b this as characteristic of a body or substance when emitting or absorbing radiation 射频频谱 4 a similar image or distribution of components of sound, particles, etc., arranged according to frequency, charge, energy, etc. 声谱；质谱；能谱 5 the entire range or a wide range of anything arranged by degree or quality etc. (按程度或质量等排列的)系列；范围；幅度 6 (in full 全称 ocular spectrum) an after-image 后象 [Latin, = image, apparition, from specere ‘to look’] |