单词 | cloud trail |
释义 | > as lemmascloud trail cloud trail n. ΘΚΠ the world > matter > physics > atomic physics > particle physics > apparatus for detecting charged particles > [noun] > path revealed by cloud trail1912 cloud track1923 1912 C. T. R. Wilson in Proc. Royal Soc. A. 87 289 Cloud trails sufficiently sharply in focus..to..allow of the ions on which they have condensed being counted. < as lemmas |
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