Physics. The action of giving off radiation or particles; a flow of electrons from a cathode-ray tube or other source.
| 单词 | θ79499 |
| 释义 | the world > matter > physics > atomic nucleus > radioactivity > [noun] > emission of radiation (1) emission1955 Physics. The action of giving off radiation or particles; a flow of electrons from a cathode-ray tube or other source. |
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