以下为句子列表:
英文: Reverberation room is the special test room that is used in acoustics, in the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively.
中文: 摘要混响室是声学专业的实验室用房,它在测量声波无规入射时材料的吸声系数和测量噪声源的声功率级中得到了广泛应用。
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英文: The cavity depth between the rigid panel and absorption material is adjusted in order to make the surface characteristic impedance of the absorption material mathch the surface characteristic impedance of the air, so the absorption coefficient is the maxi
中文: 该系统由一层吸声材料和可以移动的刚性板组成,调节刚性板与吸声材料之间的空腔深度,使得吸声材料的表面特性阻抗和空气的特性阻抗相匹配,从而使吸声系数达到最大。
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英文: When the backing is a double-shell, the water layer causes obvious modulation phenomenon to the absorption coefficient curve.
中文: 背衬为双层壳体时,水层对吸声覆盖层的吸声系数曲线有明显的调制现象。
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