| 单词 | path length |
| 释义 | > as lemmaspath length path length n. Physics the length of the path followed by a light ray, sound wave, etc., in travelling between one point and another (in the case of light usually after allowing for the retarding effect of the medium: cf. optical path n. (a) at optical adj. and n. Compounds). ΘΚΠ the world > matter > physics > science of sound > sound-waves > [noun] > path followed by path difference1900 path length1900 the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > optical path optical path1893 optical length1894 path length1900 Rayleigh limit1922 eikonal1923 1900 Philos. Trans. (Royal Soc.) A. 193 354 Other sets of molecules with other velocities and path-lengths will give other sets of lines. 1956 Nature 10 Mar. 469/1 An important omission..is mention of the practical difficulty of measuring path-lengths sufficiently accurately in testing insitu concrete structures by the pulse velocity method. 1994 New Scientist 10 Dec. 20/3 This is possible with a set of servo-controlled mirrors acting as an ‘optical delay line’, evening up the path lengths. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。