diffraction grating ruling engine
diffraction grating ruling engine
衍射光栅测光机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Ruling with grating ruling engine is still the most important means for the fabrication of master grating. Hence, it is valuable to track the state-of-the-art of the diffraction grating ruling engine.
采用高精度的衍射光栅刻划机刻划依然是制作高质量母光栅最重要的手段，因此，跟踪世界光栅刻划机的最新技术进展具有重要的现实意义。
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