When the crystal is pumped by LD,the opticaloptical conversion efficiency is 33.8%,and the slope efficiency is 57.8%.是什么意思_When the crystal is pumped by LD,the opticaloptical conversion efficiency is 33.8%,and the slope efficiency is 57.8%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句