The research development of laser beam quality factor.
激光光束质量因子的研究进展。
That's the first difference between a beam of ordinary light and a laser beam.
这是第一个不同点在普通光束和镭射光束之间。
Effect of laser beam incident Angle on laser cutting quality.
激光切割中入射角对切割质量的影响。
Effect of laser beam incident Angle on laser cutting quality.
激光切割中入射角对切割质量的影响。
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