三维波线追踪
three-dimensional ray-tracing
三角光线追迹
trigonometric ray tracing
3-D声波波动方程
3-D acoustic wave equation
P波和S波波场分离
p- and s-waves field separation
SOI纳米线波导
SOI nanophotonic waveguides
X射线波长析谱仪
wavelength dsperseve X-ray spectrometer
半波线状辐射器
half-wave linear radiator