| 单词 | line-width |
| 释义 | > as lemmasline-width line-width n. Physics the width of a spectral line as measured by the difference in wavelength, wave number, or frequency between its two sides. ΘΚΠ the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > spectral line > width of line-width1946 the world > matter > physics > electromagnetic radiation > light > chromatism > [noun] > spectrum > band or line forming part of > width of line-width1946 1946 Nature 28 Sept. 450/1 Measures of effective line-width, made..upon the brilliant reversal of the Hα (λ 6563) contour. 1962 Sci. Surv. 3 67 The current reports of the line-width of the radiation produced by the helium-neon optical maser show the line-width is approximately one cycle per second. 1971 New Scientist 3 June 565/2 Molecular linewidths are of the order of 10–3 cm–1 at room temperature. 1972 Physics Bull. Feb. 83/2 A dye laser tuned to give a sodium linewidth of a hundredth of an ångstrom. < as lemmas |
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