High-Temperature and Strain Characteristics of Long Period Grating with Asymmetric Refractive Index Profile in the Cross Section of Fiber是什么意思_High-Temperature and Strain Characteristics of Long Period Grating with Asymmetric Refractive Index Profile in the Cross Section of Fiber在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句