Objective The bedside chest of CR photographic image quality analysis in order to provide high-quality video images for clinical services.

目的通过对床边CR摄影之胸片影像质量的分析，以便提供高质量影像图像服务于临床。

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By the technique of transplantation application, the author manufactured the practical objective lens with high image quality, which has the similar structure as that of photographic lens.

将照相物镜移植应用于其它系统大孔径、大视场物镜设计中，生产出与照相物镜结构相似、像质优良的镜头。

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Objective Evaluated the benefit of digital photos in dental documents, and introduce the requirement of choosing a digital camera to meet the dental photographic needs.

目的：介绍数码摄影在口腔摄影应用中的优点和用于口腔摄影的数码相机的选择要求。

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