a mass regarded as concentrated in a mathematical point, without spatial extent.
| 单词 | θ79350 |
| 释义 | the world > matter > physics > atomic physics > [noun] > atomic mass > concentrated mass (2) point mass1900 a mass regarded as concentrated in a mathematical point, without spatial extent. mass-point1911 = point mass n. at point, n.1 compounds 2. |
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