短語詞組短語light wave propagation 光波傳播light t propagation path 光傳播通路light pulse propagation 光脈沖傳播light t propagation 光傳播the light straight propagation 光的直線傳播light beam propagation error 光束傳播誤差light ray propagation 光信號傳播performance of light wave propagation 光波傳輸特性的 返回 light propagation