钢体声传播
sound propagation in the metal frame
衰减模型
decaying computing model
attenuation model
fading pattern
time-division multiplexing(TDM
decay model
Attenuation
三段几何衰减模型
trilinear geometrical spreading model
强度衰减模型
Strength degradation model
strength degeneracy model
疲劳寿命累积衰减模型
cumulative corrosion fatigue life model
模糊衰减模型
fuzzy attenuation algorithm model
fuzzy damping model
烈度衰减模型
seismic intensify area modeling
矿震烈度衰减模型
attenuation model of earthquake intensity in coalf
声传播异常
sound transmitter abnormity
声传播特性
wave transmission characteristics
声传播损失
acoustic propagation loss
声传播算子
14+15 subunit
Acoustical wave propagator AWP
声传播时间
ultrasonic transmission time