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crossed-h
释义
crossed-h
crossed-h
(
ˌkrɒstˈaɪtʃ
)
n
(General Physics) a constant used in quantum mechanics, equal to the Planck constant divided by 2π. It has a value of 1.054571596±0.000000078 × 10
−34
joule seconds. Also called:
Dirac constant
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更新时间:2026/7/18 15:03:51