短語詞組短語wave differential equation [數(shù)]波動(dòng)微分方程electromagnetic wave propagation equation 電磁波傳播方程wave -equation migration 波動(dòng)方程偏移wave ray equation 波射線方程wave pressure equation 波壓公式wave motion equation 波動(dòng)方程eletromagnetic wave propagetion equation 電磁波傳播方程wave intensity equation 波強(qiáng)度方程 返回 wave equation