In this paper, a optimization method of naval gun weapon system performance is presented based on the polynomial mode of power index method and the solutions concision geometry programming method.

简要介绍了评价舰炮武器系统性能的幂指数法和一种特殊的非线性规划方法——几何规划方法。

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This paper proposes the basic concept along with its calculating method of the utility risk index of power systems to solve the problem mentioned above.

文中针对上述问题，提出了电力系统元件的效用风险指标的基本概念和计算方法。

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Coal price computation method and competitor index are mainly introduced. The coal price and competitor index of Sichuan power system are given.

本文重点介绍了煤炭计算价格的计算方法及替代电站指标，并提出了四川电力系统煤炭价格及替代电站指标。

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