最終更新日：2024/07/30
The metastable isomer of the isotope has a longer half-life than the ground state.
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The metastable isomer of the isotope has a longer half-life than the ground state.
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The metastable isomer of the isotope has a longer half-life than the ground state.
The metastable isomer of the isotope has a longer half-life than the ground state.
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