technical. Physics. A position from which an electron is absent: originally a concept in the theory of the positron, now esp. a position in a…
| 单词 | θ79105 |
| 释义 | the world > matter > physics > atomic physics > particle physics > particle avoiding strong interaction > electron > [noun] > positive electron > position of absent electron (1) hole1930 technical. Physics. A position from which an electron is absent: originally a concept in the theory of the positron, now esp. a position in a… |
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