| 单词 | photomultiplier |
| 释义 | Word Frequency photomultiplier(ˌfəʊtəʊˈmʌltɪˌplaɪə) noun a device sensitive to electromagnetic radiation, consisting of a photocathode, from which electrons are released by incident photons, and an electron multiplier, which amplifies and produces a detectable pulse of current |
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