单词 | reversal temperature |
释义 | reversal temperature [ri`vǝr·sǝl ´tem·prǝ·chǝr] SPECTROSCOPY The temperature of a blackbody source such that, when light from this source is passed through a luminous gas and analyzed in a spectroscope, a given spectral line of the gas disappears, whereas it appears as a bright line at lower blackbody temperatures, and a dark line at higher temperatures. |
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