It's very important about ship security to analyse the ultimate strength of hull girder.

强度分析是有关船舶安全性的一个很重要的问题。

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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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However, there is no feasible method for quantitative assessment of the strength of hull girder and safety of airbags during launching process.

近年采用气囊下水的船舶重量不断增大，下水安全性问题日益突出。

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"The people of Hull simply want to demonstrate their strength of feeling against how West Yorkshire Police have handled this, " she said.

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