英语词汇“low-energy positron diffraction”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	low-energy positron diffraction
释义	low-energy positron diffraction low-energy positron diffraction [′lō ‚en·ər·jē ′päz·ə‚trän di‚frak·shən] (solid-state physics) A technique for studying the atomic structure of solid surfaces in which a narrow beam of low-energy monoenergetic positrons is made to strike a solid surface, and the diffracted beams in certain directions that are permitted by the regular array of surface atoms are observed. Abbreviated LEPD. AcronymsSeeLEPD
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