声压水平 meaning in Chinese

sound pressure level

Sound system equipment - headphones and earphones associated with portable audio equipment - maximum sound pressure level measurement methodology and limit considerations - general method for " one package equipment
音响系统设备.与便携声学设备相连的耳机和头戴送受话器.最大声压水平测量方法学和限制.成套设备通用方法
But this is not a problem for ship structure which is thin and good ductibility . the basic equation of statistical energy analysis is deduced in this paper , the shipboard noise of 295 , ooodwt vlcc is calculated based on sea , the factor effect on the noise of shipboard is discussed and some measurement to reduce the noise level is suggested
根据统计能量分析方法的基本原理，以实船为例进行了船舶机械设备等噪声声压水平的估算和船舶舱室噪声预示，并对影响船舶舱室噪声水平的各种因素进行了分析，提出了减小船舶舱室噪声水平的方法。