To improve the output power and the laser efficiency compared with common fiber Brillouin lasers,a small core photonic crystal fiber(PCF) based ring-cavity Brillouin fiber laser was presented.是什么意思_To improve the output power and the laser efficiency compared with common fiber Brillouin lasers,a small core photonic crystal fiber(PCF) based ring-cavity Brillouin fiber laser was presented.在线翻译_英语_读音_用法_例句