Potassium lithium niobate crystals are expected to be a superior nonlinear optical material and used as blue light frequency-doubling crystals for semiconductor diode laser.是什么意思_Potassium lithium niobate crystals are expected to be a superior nonlinear optical material and used as blue light frequency-doubling crystals for semiconductor diode laser.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句