The basic model of planar waveguide gratings in reconfigurable optical add-drop multiplexer (ROADM) is presented.The characterization of the materials used in planar light wave circuit is discussed.是什么意思_The basic model of planar waveguide gratings in reconfigurable optical add-drop multiplexer (ROADM) is presented.The characterization of the materials used in planar light wave circuit is discussed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句