名词
中文翻译：声功率密度
同义词：
['sound pressure level', 'sound intensity', 'sound energy density']
例句：
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1. The sound powerdensity of the recording is high enough to be heard from a distance.
录音的声功率密度足够高，可以从远处听到。
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2.The sound power density of the music is so high that it can be heard even in the quietest room.
音乐的声功率密度如此之高，即使在最安静的房间也能被听到。
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3. The sound power density of the speaker is measured in decibels.
扬声器的声功率密度以分贝为单位进行测量。