求翻译：20世纪80年代实行养老保险社会统筹试点开始进行改革探索，90年代改革全面展开并不断深化，建立了由国家、企业和个人共同负担的基金筹集模式，确定了社会统筹与个人账户相结合的基本模式，统一了企业职工基本养老保险制度。是什么意思？

1980s to implement pension insurance reform pilot started to explore the 1990s and the deepening of reform in full swing, established by the state, enterprises and individuals share the burden of fund-raising mode to determine the social pooling and individual accounts of the basic model, the unific

In the 1980s the Pension Insurance Pilot began to implement the reforms initiated reform of the overall exploration in the 1990s and has continued to deepen and established by the State, businesses, and individuals share the burden of the fund raising model and identify the social co-ordination with

1980s implement the old-age insurance society to plan the experiment site to start to carry on the reform exploration, the 90's reformed launches comprehensively and deepens unceasingly, has established the fund collection pattern which by the country, the enterprise and individual bore together, ha

Social endowment insurance co-ordinating pilot implemented in in the 1980 of the 20th century started to reform, activated 90 reform and deepening, establishing State enterprise and individual contributory fund raising model to determine basic model that combines social pool and personal account, un

In the 1980 of the 20th century to implement social pool pilot to begin the reform of endowment insurance, the 90 's in full swing and we will continue to deepen the reform, established by the State, enterprises and individual contributory fund raising model, identifying social pool combined with th