An analytical expression for spot moving speed on the former vibrating mirror of the polygonal mirror scanning system objective is derived from geometrical optical principle.
根据几何光学原理，推导出转镜-振镜扫描系统物镜前振镜上光斑移动速度的解析表达式。
Objective: To study the manufacture of pelvic mirror physical model using rapid prototyping and the accuracy of the models.
前言： 目的：研究快速成形技术制作骨盆镜像实体模型的可行性和准确性。
Objective Summary advanced age patient intestines mirror inspection technique anaesthesia.
目的总结高龄患者肠镜检查术的麻醉。
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