| 单词 |
sound pressure spectrum level |
| 释义 |
sound pressure spectrum level sound pressure spectrum level[¦sau̇nd ‚presh·ər ′spek·trəm ‚lev·əl] (acoustics) Ten times the logarithm to base 10 of the ratio of the mean square pressure of the portion of sound within a specified frequency band to the mean square pressure of the portion of a reference sound within the same frequency band. Abbreviated SPSL. |
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