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- instantaneous sound pressure 瞬时声压
- Measurement of sound pressure level for sound sign. 海船声号器具的声压级测量。
- The audible sound pressure range is from 0 dB to 120 dB. 听觉范围为0分贝到120分贝。
- Ultra-low distortion at extreme sound pressure levels. 超低失真的极端声压级。
- instantaneou sound pressure 瞬时声压
- INTRACRANIAL SOUND PRESSURE LEVELS DURING IMPULSSE NOISE EXPOSURE Saljo A. 在噪音刺激下颅内声音压力水平。
- 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。
- With the increase of the SPL, the nodes of sound pressure move Periodically, and sound radi... 在声源产压级较低时，声辐射压分布几乎处处为零，随着声压级增加，节点处声辐射压幅值增加，颗粒稳定性增强。
- 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。
- instantaneous sound particle acceleration (瞬时)声质点加速度
- The SPL(Sound Pressure Lever) of flow-induced tones limits the required flow speed of aero-acoustic experiment. 为了在气流当中进行噪声测量,传声器上必须加装适当形式的鼻锥以降低传感器自噪声。
- instantaneous sound particle displacement (瞬时)声质点移位
- 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.
- instantaneous sound particle velocity (瞬时)声质点速度
- Each professor was chosen based upon his or her exposure to various sound pressure levels (SPL). 本试验利用音波的此项特性，对于砂土层滑动所产生之声音进行量测。
- instantaneous sound energy density 瞬时声能密度
- For maximum sound pressure levels large sound reinforcement systems frequently use a separate compressor on each output of the electronic crossover(s). 对于最大的声压电平，巨大的声音增强系统，通常在每一个电子分频器的输出后面拉一个独立的压限器。
- 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。
- Analysis shows that the mixed gas intrudes into the hotproduction gas and the explosion inside increases the sound pressure of theemission. 初步分析表明，当气流速度达到可以使未燃混合气突入火焰面内使火焰发生微小爆炸，引致声发射在宏观上突然增加。
- Death is instantaneous in a fatal accident. 在致命的事故中，死亡是即刻发生的。
