声压，音压
1. 声压：长久以来,工程师多以声压(Sound Pressure)与声功率(Sound Power)量测来检阅一个散热风扇的噪音品质,而多数人也都认为拥有较低dB(A)的散热风扇,就代表拥有较好的声音品质,建准自2000年导入声音品质工程以来,
2. 音压：]P:音压(Sound Pressure)的实效值(dyne/cm2)一般电镀铜的电镀液可分为下列几种:(1)酸性硫酸盐(Sulfate A cid)镀铜液剧毒性与稳定性不佳缺点,而氟硼酸盐镀铜液具腐蚀性(Corrosiveness)与制程成子能量分布,
3. 声压[强]：声学||acoustics | 声压[强]||sound pressure | 声源||sound source
4. 聲壓 =聲壓[強]：sound level 聲級 | sound pressure 聲壓 =聲壓[強] | sound velocity 聲速
1. Environmentally sound economic policies were born out of the pressure created by potentially severe environmental conditions.
2. Th e ear can withstand about eight hours of this sound pressure before cells in the inner ear begin to be damaged.
noun
1. the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point
Synonym: instantaneous sound pressure