structure reliability index的用法和样例：
例句
- The results show that the optimal inspection instants should take place before the reliability index reaches the minimum acceptable reliability index.
结果表明，最优的检测是在结构的可靠指标低于最低可靠指标前就对结构进行检测。 - By contrast, the paper calculated the reliability index of the abutment after changing variable quotiety of the stochastic variable.
作为对比，本文还在改变各随机变量变异系数的前提下，计算了坝肩岩体各高程的可靠指标。
