求翻译：召开多个专项会议分析事故原因，查找薄弱环节，做好安全隐患排查整改工作，做到安全责任层层落实，避免类似事故再次发生是什么意思？

Special meeting held more than one cause of the accident analysis, find the weak links, investigation and rectification work to do security risks, so that responsibility for security at every level, to prevent similar incidents from happening again

convene a conference on more than one analyze the causes of accidents and identify weak links, and do a good job in investigating hidden security work of rectification and reform implemented layer security responsibility, and do, and prevent the recurrence of similar incidents

Holds many special conferences to analyze the accident cause factor, the search weak link, completes the security hidden danger platoon to look up reorganizes the work, achieves the safety responsibility layer upon layer to carry out, avoids the similar accident occurring once more

Hold more than one Special Conference on analysis of the cause of the accident, looking for weak links, do a security breach investigation rectification and reform work, responsibility for security layers implemented to prevent similar accidents from happening again