• 1. Linear attenuation coefficient: 线衰减系数 | 线性衰减系数 | 直线衰减系數
• 2. non-linear attenuation coefficient: 非线性衰减系数
• 3. total linear attenuation coefficient: 总线衰减系数

更多释义

• 1.The attenuation coefficient shows approximately linear behaviour with frequency over the frequency range used, and the attenuation slope increases with the void content.
  结果表明：超声衰减系数与频率之间存在线性关系，而且其斜率随孔隙率的增大而增大。
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