The DTA and DEMA comprehensive analytical method includes the establishing and analyzing of damage tree, the DMEA analysis and assess on important bottom affair, and confirming the improvement measures according to RPN.

• DTA和DMEA综合分析法的步骤包括:损伤树的建立与分析、重要底事件的DMEA分析评定以及根据RPN确定改进措施。