| 单词 | planck mass |
| 释义 | > as lemmasPlanck mass Planck mass n. the mass that a particle with a wavelength equal to the Planck length would have, equal to (ℏc/G)½ (where c is the speed of light), i.e. 2.177 × 10−5 gram.extracted from Planckn.< as lemmas |
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