建筑专业统一设计说明
unified design specification of building professional
薄壁方钢管混凝土
concrete filled square thin-walled steel tubes
波兹曼粒子迁移方程式
the Boltzmann Particle Transport Equation
波纹方波导移相器
square waveguide iris phase shifter
波速方位角各向异性
velocity azimuthal anisotropy