The optimal thickness of insulating material is determined based on the life cycle cost (LCC) methodology.

并基于寿命周期成本（LCC）的方法计算保温材料的最优厚度；

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So we must estimate the LCC (Life Cycle cost) of artillery equipments with scientific methods, so that we can improve the efficiency of the acquisition and using cost.

因此，必须科学地估算炮兵武器装备的寿命周期费用，以提高武器装备采办效率和经费使用效益。

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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.

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。

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