The beam angle can badly influence the inspection ability of .
波束角会严重影响单波束对海底管道的探测能力。
The formula of wedge angle is deduced under the condition of two-beam interference.
在考虑双光束干涉的情况下，导出测量平板楔角的公式；
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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