accumulative damage model的用法和样例：
- Made ECs damage model induced by DS.
- In the analysis, the total strain amplitude as well as the rules of accumulative damage are used for the research of the fatigue life.
- Methods:We established an immunized mouse liver damage model through injection of BCG and LPS.
- The existing damage model of concrete has a common defect, i , e, lacking of additivity.
- The results as follow:The damage duration in the area was from September to November of 2004,and the accumulative damage rate was 34.25%,especially during September of 2004,which was up to 17.42%.