The relationships between focal length, oriented error of focal plane of the mirror and span, optic axis parallelism of the laser products are described. A method for orienting more precise position of focal plane is presented.是什么意思_The relationships between focal length, oriented error of focal plane of the mirror and span, optic axis parallelism of the laser products are described. A method for orienting more precise position of focal plane is presented.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句