词汇 | Planck's constant |
释义 | Planck's constant noun [ S ] physics specialized uk/ˌplæŋks ˈkɒn.stənt/ us/ˌplæŋks ˈkɑːn.stənt/ 普朗克常数 a number that never changes and that expresses the relationship between the energy of a photon and its frequency |
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