声压级及声功率级的测量和计算。
Measurement and calculation of sound pressure level and sound power level.
它的设计也能够承受高声压级。
It is also designed to withstand high sound pressure levels.
被嘘声压住的海似乎屏住呼吸。
本文给出了声压灵敏度的理论结果。
Theoretical analysis of the acoustic pressure sensitivity was given in this letter.
平均声压灵敏度为-162。
重量很大把金属杆啪的一声压成两截了。
他们企图用叫喊声压倒反。
两者结合可以进一步计算远场辐射声压。
The boundary element method can be used for the sound radiation calculation.
重量很大把金属杆喀吧一声压成两截了。
鱼的重量很大，把鱼竿啪的一声压成两截了。
第一部分为次声压力仓系统的建立及性能检测。
In the first part, an infrasonic pressure chamber system was established.
一个可以对付大声压级的动圈麦克是通常的选择。
A dynamic mic, which can handle loud sound pressure levels, is the typical choice.
并给出了模型表面压力随声压级及频率变化的规律。
Regularities of pressure on surface with sound pressure level and frequency are also given.
主要目标是，以确保最高质量的语音清晰度和声压级。
The primary goal was to insure the highest quality Speech Intelligibility and Sound Pressure levels.
推导出了此类换能器的远场指向性和近场声压的表达式。
The eXpression of directivity of far field and near field was derived.
下一个发言者力图让人们听他讲话，但被人群的吼叫声压了下去。
The next speaker tried to make himself heard, but the crowd roared him down.
接下去的发言者试图让人们听他讲话，但被人群的吼叫声压了下去。
The next speaker tried to make himself heard, but the crowd roared him down.
接下去的发言者试图让人们听他讲话，但被人群的吼叫声压了下去。
The next speaker tried to make himself heard, but the crowd roared him down.
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