Especially, it is more effective in situations that the radius of curvature of the waveguides and the refractive index of materials are set beforehand.是什么意思_Especially, it is more effective in situations that the radius of curvature of the waveguides and the refractive index of materials are set beforehand.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句