求翻译：此前曾有媒体报道，国家安全监管总局副局长王德学在温州召开的第一次全体会议上称，调查组要在9月15日之前形成书面调查报告，调查结果争取在9月中旬向社会公布。是什么意思？

Earlier media reports, the State Administration of Work Safety Wang, deputy director of the school was held in Wenzhou, the first plenary meeting, said the investigation group to form before September 15, a written report, the findings for mid-September to the public .

Earlier, some media reports, the National Security Regulatory Administration, Mr Wang Tak school in Wenzhou held its first plenary meeting, on the investigation team said, September 15th in a written report on the investigation before the results of the survey announced to the public in mid-Septembe

Before this once some media reported that, National security Supervising and managing Bureau Assistant Commissioner Wang De studies in the first plenary session which convenes in Wenzhou to state, the survey team must before September 15 forms the written report of investigation, the investigation r

Previously media reports, national security supervision Bureau Deputy Director Wang Dexue held in Wenzhou first plenary meeting, investigation group to form written before September 15 report, survey results try to publicize mid-September.

Previously there have been media reports, the State administration of safety supervision Wang Dexue, Deputy Director at the first plenary meeting held in Wenzhou, written investigation report of the investigation team to be formed before September 15, the findings in the mid-September to the public.