decibel
/ˈdɛsɪbɛl/ 名词 B2中文： 分贝
- A common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.
复数 decibels
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