求翻译：选取了社会保障体制中的养老保险和医疗保险，从社会保障基金的筹集、管理、使用等角度，分别从筹资渠道、筹资水平、统筹层次和筹资结构四个方面对中国社会保障制度筹资机制进分析，是什么意思？

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Select the social security system, the old-age insurance and medical insurance, from the social security fund raising, management, use, and other angles, respectively, from funding sources, levels of funding and financing structures, and manpower levels in 4 months for China's social security system

Has selected in the social security system old-age insurance and the medical insurance, from angles and so on social insurance fund collection, management, use, separately from the fund raising channel, the fund raising level, the overall plan level and the fund raising structure four aspects enters

Selected in the current social security system of endowment insurance and medical insurance, from the social security fund raising, management, use of angles, from funding sources, funding levels, and manpower levels and funding structure of the four on financing mechanism of Chinese social security

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