构建以系统成本造价、维护维修费用和失效损失期望之和为最小的目标函数。
The minimal objective function which included system cost, maintenance and repair costs and loss expectation was established.
在同时考虑产品成本价值和全寿命期失效损失期望前提下，提出了以动态可靠度为控制参数的全寿命优化设计模型。
In consideration of cost and whole life loss expectation of product, the whole life optimization design model with control parameter of dynamic reliability is proposed.
考虑地震等自然灾害的影响，桥梁等交通基础设施全寿命总预期成本应包括结构初建成本、维修加固的预期费用及寿命期内的的灾害失效损失期望。
Considering the influence of natural disaster, especially earthquake, the life-cycle cost of transportation infrastructure consists of initial cost, maintenance cost, retrofit and loss expectation.
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