Using reliability assessment method, we can obtain proper assessment of hull longitudinal strength safety level.
采用可靠性评估的方法，对船体总纵强度的安全水平可作出合理的评价。
It plays role very important in longitudinal strength analysis to calculate hull load.
船体载荷计算对总纵强度分析起着非常重要的作用。
The second one is to calculate structure invalidation probability and reliability index to evaluate overall longitudinal strength of hull.
二是使用适当的可靠性分析方法计算结构的失效概率和可靠性指标等，作为船体结构总纵强度的安全衡量指标。
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