求翻译：了解大悟县扩大国家免疫规划后工作现状，推动免疫规划工作持续发展，为促进公共卫生事业的改革和今后制定免疫规划政策提供科学依据是什么意思？

Dawu expand understanding of the status of work after the national immunization program, working to promote the sustainable development of immunization programs, to promote the public health reform and the future development of planning policy to provide a scientific basis for immunization

Dawu County expansion of the National Program on Immunization understanding After immunization status of work planning work to promote sustainable development and the promotion of public health reform and future planning policies provide the scientific basis for immunization

After understood the Dawu County expansion country immunization program works the present situation, impels the immunization program work to develop continually, will provide the scientific basis for the promotion public health enterprise reform and the next formulation immunization program policy

Understanding Dawu County status after the expansion of national immunization programmes, promote sustained immunization program development, to promote the reform of public health and future development of programme policies provide the scientific basis

Dawu expand understanding of the status of work after the national immunization program, working to promote the sustainable development of immunization programs, to promote the public health reform and the future development of planning policy to provide a scientific basis for immunization