Last Updated:2025/11/20

Scientists measured the loudness of the alarm in phons to ensure it met safety standards.

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Scientists measured the loudness of the alarm in phons to ensure it met safety standards.

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科学者たちはアラームの聴感上の音圧の強さをフォーン単位で測定し、安全基準を満たしているか確認した。

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