Conculusion A simple and effective instrument for the daily check of viewboxs is provided and the deeply development of QA and QC that World Health Organization(WHO)requested is …

结论为X线胶片观察灯的日常检测提供了一种简单而有效的工具，为执行世界卫生组织（WHO）要求的QA、QC工作的深入开展提供了保证。

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It is important to check with your health care practitioner before beginning any diet and daily exercise program.

开始饮食和运动项目前询问营养师很重要。

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