3-D声波波动方程
3-D acoustic wave equation
PVC双壁波纹管
double partition PVC wave veins plastic pipe
P波和S波波场分离
p- and s-waves field separation
包覆槽状波导之条状波导
guide
channel waveguide embedded strip
爆震波波前
front of the detonation wave
标量声波波动方程
scalar acoustic wave equation