求翻译：社会保障作为一种社会制度的出现在解决失地农民的生存和发展，衔接城乡社会保障方面有着重要意义，但是目前我国失地农民社会保障模式的多样性，保障内容的缺失、保障水平较低等都制约了我国失地农民社会保障模式在实践中的推进。是什么意思？

Social Security as a social system to solve the survival and development of the landless peasants, the convergence of urban and rural social security is of great significance, but the current lack of landless peasants in China the diversity of the social security model to protect content, the lower

Social security as a social system for resolving the landless peasants in the survival and development, rural and urban social security convergence is of great significance, but at present, our social security mode landless peasants, and the diversity of content protection is missing, the protection

The social security took one kind of social system the appearance loses farmer's survival and the development in the solution, the engagement city and countryside social security aspect has the vital significance, but present our country low status lost the farmer social security pattern multiplicit

Social security as a social system appears in the resolution of the survival and development of the farmers, linking urban and rural social security is of great significance, but peasants social security model of diversity, protection of lack of content, and lower levels of protection are all factor

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