分析了缺陷数密度和缺陷累计失效概率对试件破坏的影响；
Some previous fracture probability and statistic equations are shown to be special cases of this equation and the defect density and the cumulative fracture probability play an important role.
然而，当人们数周、数月甚至数年都没有睡好，那么就可能对他们的健康产生累计影响。
However, when people don't sleep well for weeks, months, or even years, it can have cumulative effects on their health.
然而，当人们数周、数月甚至数年都没有睡好，那么就可能对他们的健康产生累计影响。
However, when people don't sleep well for weeks, months, or even years, it can have cumulative effects on their health.
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