求翻译：对蚌埠地区2008-2010年无偿献血者中不同职业和不同文化程度以及不同献血模式的无偿献血人群的血液检测不合格情况作回顾性分析是什么意思？

2008-2010 of Bengbu professional and voluntary blood donors in different degrees in different cultures and different modes of voluntary blood donation blood donation blood test groups failed to make a retrospective analysis of the situation

Bengbu region for 2008 - 2010 unpaid blood donors in different occupations and different literacy levels and patterns of different blood blood blood tests are not qualified in the crowd for retrospective analysis

Different professional and the different years of schooling as well as give blood to the Bengfu area 2008-2010 year free blood donor in the pattern to donate blood without compensation differently crowd's blood examination unqualified situation to make the review analysis

2008-2010 of Bengbu region in blood donors with different professions and different cultural level as well as unpaid blood donors of blood tests in different patterns of blood donors is not qualified for a retrospective analysis

2008-2010 of Bengbu professional and voluntary blood donors in different degrees in different cultures and different modes of voluntary blood donation blood donation blood test groups failed to make a retrospective analysis of the situation