A single longitudinal mode(SLM) erbium-doped fiber laser (EDFL) with multiple ring cavities (MRCs) is proposed and experimentally demonstrated.是什么意思_A single longitudinal mode(SLM) erbium-doped fiber laser (EDFL) with multiple ring cavities (MRCs) is proposed and experimentally demonstrated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句