钢体声传播
sound propagation in the metal frame
近场声传播
Sound transmission in near field
浅海声传播
sound propagation in shallow water
深海声传播
acoustic propagation in deep sea
声传播常数
propagation constant
acoustical propagation constant
声传播环境
sound propagation environment
声传播时间
ultrasonic transmission time
声传播衰减模型
sound propagation attenuation model
声传播算子
Acoustical wave propagator AWP
14+15 subunit
声传播损失
acoustic propagation loss