逆向波之傳遞 backward wave: 反向波,回波; 返波; 逆波; 逆向行波transmission wave: 透射波backward scattered wave: 反向散射波backward traveling wave: 回行波backward volume wave: 反向音量波下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯