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报道在激光打标中采用平凹稳定腔与平凸非稳腔激光器，工作面位置、成象的清晰深度与透镜焦距、掩膜位置的关系。
It is reported that the position of the work surface, the clear depth of the imaging and the focal length of the lens and the position of the mask are used in the laser marking using the plano-concave stable cavity and the plano-convex unstable cavity laser.