而衰减项则是填埋体降解速率和时间的函数。
The attenuation factor, is determined by the biodegradation rate and time.
本文提出了一个求解弹塑性激波衰减规律的级数解法，给出了各未知量级数展式的通项表达式。
A series solution for the attenuation of an elastic-plastic shock wave and expressions for the general terms of the series are given in this paper.
本文利用能量扰动法得到具边界记忆项波动方程初边值问题解的指数衰减性。
The exponent decay of solution of wave equation with boundary memory is obtained by the energy method.
对锁定轨温衰减规律的探索是一项非常困难、繁琐而又十分重要、严肃的事情，尤其是从理论上进行定量分析，尚需要我们不断地进行深入的探索和研究。
It is very difficult and fussy but very important and serious to study the law of stress-free temperature attenuating, especially we should make quantificational research in theory thoroughly.
在微波大衰减测量中，噪声是一项主要误差来源。
Noise is one of important errors in attenuation measurement, especially in the large attenuation measurement.
美国一项研究发现，多达20%的青少年存在不同程度的听力衰减问题，专家呼吁青少年调低iPod音量。
Teenagers are being urged to turn down the volume on their iPods after a US study found about 20% of teenagers were found to have some degree of hearing loss.
文中以作者主持的海洋863项目“声光悬浮沙粒径谱测量仪”为例，列举了声速、声衰减、悬浮泥沙粒径谱的测量结果。
Taking 863 818 project, "Acoustics optic suspended sand size measurement System", as an example, the measurement results about speed, attenuation, suspended sand size distribution are listed.
文中以作者主持的海洋863项目“声光悬浮沙粒径谱测量仪”为例，列举了声速、声衰减、悬浮泥沙粒径谱的测量结果。
Taking 863 818 project, "Acoustics optic suspended sand size measurement System", as an example, the measurement results about speed, attenuation, suspended sand size distribution are listed.
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