“Planck's constant”的概念、定义、翻译、参考文献-科学参考

单词	Planck's constant
释义	Planck's constant [`pläŋks ´kän·stǝnt] ^{QUANTUM MECHANICS} A fundamental physical constant, the elementary quantum of action; the ratio of the energy of a photon to its frequency, it is equal to 6.626075 ± 0.000004 × 10^-34 joule- second. Symbolized h. Also known as quantum of action.
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