声反射
声反射-引用次数：3
a hydroacoustic tube designed for measuring a coefficient of sound reflection from various materials and constructions by a two-hydrophone technique is examined. It is shown that the specific,unstudied before,vibrational interferences essentially affecting the measurement accuracy may arise in such devices.
声管中利用双水听器的方法测量不同材料和结构的声反射系数,在此过程中将产生特殊的非辐射振动干扰,该干扰会影响测量精度。
声音反射
... sound pressure level 声压级 sound reflection 声音反射 sound shadow 声音阴影 ...
If specific weight feeling sound nervous deaf can pick out the ear sound reflection.
如果重度感音神经性聋能够检出耳声反射。
In the case of high frequencies, the sound reflection coefficient at sedimentary layer surface is simplified.
文末对高声频情况下的海底上的声反射系数进行了简化。
Large Windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.
合金盆架上较大的镂空设计使回声、气流噪声和空腔谐振等降低到最低水平。
They don't sound so good on reflection.
The 44-page work is a no-nonsense member of the well-known Dummies series that purports to educate the nation's public pension officials on the ABCs of sound financial management--a task that the author himself concedes is a chilling reflection of the state of public pension fund management.