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1.The process of phonon annihilation is crucial for understanding the behavior of matter under extreme conditions.
声子湮灭过程对于理解极端条件下物质的行为至关重要。
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2. In recent years, scientists have made significant advances in the study of phonon annihilation.
近年来，科学家们在研究声子湮灭方面取得了重大进展。
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3. The phonon annihilation effect has been observed in various materials, including metals and semiconductors.
已经观察到了声子湮灭效应，包括金属和半导体在内的各种材料中都存在这种现象。