以个人计算机为例来研究技术寿命周期较短设备的更新决策。

Finally, this paper discusses the maintenance and replacement decision of facility of short life and chooses personal computers as a example.

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设备寿命周期费用分析是将LCC理论用于设备一生各类技术决策问题权衡的有效方法。

Life Cycle Cost Analysis is the effective way which LCC theory is used to resolve each kind of technical decision problem in the whole life of equipment.

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运用寿命周期费用分析法进行项目决策，按桥梁技术参数排序法和使用效果优化法进行系统决策。

And the life cycle cost analysis is used to make an item policy to develop a systematic countermove according to the arrangement of the technical parameters and the effect optimization.

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