We achieve the maintenance design for existing structural reliability by direct adjusting the failure probability of a structural system.

并通过对结构体系的失效概率直接进行调整，实现对现役结构可靠度的维修设计。

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The annual probability of failure for new slopes is deduced; and an approach is presented to predict the annual probability of failure for existing slopes within next service time.

推导了新建边坡在未来服役时间内的年失效概率的计算公式，并对现役边坡在未来服役时间内的年失效概率进行了预测。

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The author summarizes the concept, meaning of critical loads, characteristics of main models and the existing problems. The probability of using in China is also discussed.

本文综述临界负荷的概念、意义，主要计算模型特点及存在问题，并讨论了模型在中国利用的可能性。

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What is more, six months from now given the appropriate presidential priority and a minimal increase in resources the Navy could introduce several low-cost improvements to the performance of the existing Aegis radar and missile systems so as to increase significantly their probability-of-kill under specified circumstances.

CENTERFORSECURITYPOLICY: Center for Security Policy | Changed Circumstances in Senate Require Bush to Move Now on Missile Defense