• 1. attenuation constant: 衰减常数 | 衰减系数 | 衰减常量 | 减弱常数
• 2. image attenuation constant: 影像衰减常数 | 图像衰减常数 | 对等衰减常数
• 3. acoustic attenuation constant: 声衰减常数

更多释义

• 1.Furthermore, the formulae of transmitted power, loss power, attenuation constant and equivalent impedance for TM and te modes are deduced.
  此外，推导出波导tm、TE模的传输功率、损耗功率、衰减常数、等效阻抗等特征参数的边界元公式。
  dict.yoduao.com
• 2.As an example, the operation frequency of TT&C and data transmission(TTC&DT) and the attenuation constant of electromagnetic wave through the blackout zone are estimated.
  作为一次练习，估算了测控通信系统的工作频率、电波穿过“黑障”区的衰减常数；
  dict.yoduao.com
• 3.Propagation characteristic of UHF radio wave in rectangle, circle and arched tunnels is studied in this paper and the computing equation for attenuation constant is deduced.
  研究UHF频段的无线电波在矩形、圆形和拱形隧道中的传播特性，推导了衰减常数的计算公式。
  dict.yoduao.com

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