您要查找的是不是：
- sound band pressure level 频带声压级
- Measurement of sound pressure level for sound sign. 海船声号器具的声压级测量。
- octave band pressure level 倍频带压级,倍频程带声压级
- band pressure level 频带声压级
- octave band sound pressure level 倍频带声压级
- frequency band sound pressure level 倍频带声压级
- Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path. 通常噪声问题的解决办法就是在其声源处或是在其传播途中降低其声压水平。
- Ultra-low distortion at extreme sound pressure levels. 超低失真的极端声压级。
- Sound Pressure Level (SPL) Sound pressure level is a measurement of the pressure fluctuations of a sound wave as it propagates through the air. 声压级别声压级别是表示在空气中传播的声波的起伏压。
- Objective To study the change and significance of GFAP in thebrain of the mice exposed to infrasound of different sound pressure level . 目的研究不同声压级次声作用小鼠后脑中胶质纤维酸性蛋白(GFAP)的改变和意义。
- Conclusion The extent of GFAP change is closely related to the action times under infrasound of same sound pressure level. 结论马、皮质和下丘脑等区域对次声敏感，次声的作用效应与声压级和作用时间有关；
- INTRACRANIAL SOUND PRESSURE LEVELS DURING IMPULSSE NOISE EXPOSURE Saljo A. 在噪音刺激下颅内声音压力水平。
- The loudness in the hall is introduced and the investigated results are analyzed by the strength and LpF which is the mean sound pressure level of tutti-sound. 介绍了厅堂响度的评价指标,然后利用强度指数和厅堂乐队齐奏强音标志乐段的平均声压级LpF对现有的厅堂调研结果进行分析。
- Calculations for differential pressure level transmitters shall be carried out. 应进行差压液位变送器的计算。
- In this paper, a cab is analyzed with SYSNOISE for the sound pressure level (SPL), structural mode participation factors and acoustic mode participation factors in the cavity. 在计算实例中，计算了由于汽车发动机振动引起的车内噪声的声压级、结构模态的振动参与因子和声学模态的参与因子，分析了引起车内噪声的主要原因。
- After two-grade demarcate, the A/B/C sound pressure level, the gross sound pressure level and the sound power level are produced with the application of A, B, C level fuzzy net. 通过二级标定，引入A、B、C三档模糊计权网络，生成A、B、C三档声级及总声级，求取声功率级，进而依据三段评判对噪声进行进一步的评判。
- The now sound of this new rock band. 这支新摇滚乐队的流行乐曲
- Objective To ascertain the relation of blood pressure level with fundus diseases in middle and old-age cuperators. 目的研究中老年人血压水平与眼底病变的关系。
- There is a remarkably wide range of frequencies and sound pressure levels over which the human ear can detect. 人类耳朵对声音频率和声压级的感应范围很广。
- A special ALC circuit handles very high sound pressure levels but without distortion. 采用特别ALC电路不用担心音量过大而失真.
