| 释义 |
sound pressure level 释义 声压级:声压级是指声波通过媒质时所产生的压力变化的大小。在国际单位制中,声压级的单位是分贝(dB)。 例句 1·Measurement and calculation of sound pressure level and sound power level. 声压级及声功率级的测量和计算。 2·Regularities of pressure on surface with sound pressure level and frequency are also given. 并给出了模型表面压力随声压级及频率变化的规律。 3·A stereo effect is achieved through differences in sound pressure level between two microphones. 立体声效果是通过在不同的声压水平之间的两个话筒。
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