There is a step up trend of seriousness of diseases in different levels of hospitals, but the difference is not substantial.

各等级医院收治病人的严重程度呈现一定梯度，但差异并不明显。

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Trauma care is a principal task of military hospitals of different levels. Researches on trauma prevention and curing are among the main job of military hospitals and researching institutes.

创伤救治是我军各级医疗单位的主要任务，对创伤的防治研究是我军各级医疗单位及医学科研单位的主要工作之一。

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Objectives: To analyze the economics status and government input of public hospitals at different levels from the year 2002 to 2007.

目标：分析2002—2007年上海市不同等级公立医疗机构的经济运行和财政补偿情况。

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