非对称性衰减值符合下表。
基于声衰减原理进行水体含沙量测量的方法，需要测量声压的衰减值。
Based on the principle of sound attenuation to measure the sediment concentration of suspensions, the attenuation value of sound pressure must be detected.
在实验室内用频谱振幅比较法模拟测试了储集层岩石在高温高压下的弹性波振幅衰减值。
Attenuation of wave amplitude of reservoir rock at simulated high temperature and pressure is measured with spectrum-amplitude comparison mediod in laboratory.
结果：选择2或3个目标、合适的衰减值及不透明度的限值可获得良好的VR立体成像。
Results: High quality VR-3D images will be obtained by selecting 2 or 3 objects, appropriate range of attenuation value and opacity %.
采用X纤维为吸波涂料的吸收剂，制作不同厚度的吸波涂层，测试相应的雷达波反射衰减值。
Microwave Absorbing coatings with different thickness were prepared by fiber X as the Absorbing agent, and the reflecting attenuations of the radar wave were researched.
研究表明：护耳器现场使用实际声衰减值低于实验室值，其原因是护耳器的实验室测量条件较为严格。
The real decibel attenuation of the hearing protector in the workplace is lower than the value measured in the laboratory, because the measuring conditions in the laboratory are more strict.
用辨识的参数预估喷焰微波衰减值与实验所得结果吻合，证明了用辨识技术研究喷焰的微波衰减特性的方法是可行的。
The results of microwave attenuation calculated with the values of these parameters identified accord well with the experimental results. The identification results were also analyzed.
用辨识的参数预估喷焰微波衰减值与实验所得结果吻合，证明了用辨识技术研究喷焰的微波衰减特性的方法是可行的。
The results of microwave attenuation calculated with the values of these parameters identified accord well with the experimental results. The identification results were also analyzed.
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