Physics. = lifetime, n. 2b. Cf. half-life, n. 2b.
| 单词 | θ79590 |
| 释义 | the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [noun] > average duration (3) life1903 Physics. = lifetime, n. 2b. Cf. half-life, n. 2b. mean lifetime1909 Physics. Also mean lifetime. The average duration of existence of the members of an exponentially decaying population of identical particles or… Subcategories:— time of decrease (1) |
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