Function evaluation methods usually include function cost method and function index method.

功能评价方法常采用功能成本法和功能指数法。

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Study of Satety Economy can benefit from this method and put Safety Analysis to coal mine, and then settle the problem of the optimization of maximizing Safety Function against minimizing Safety Cost.

安全经济研究可以很好地运用这一方法对煤矿企业进行安全分析，从而解决安全功能最大化和成本最小化之间的优化问题。

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Management of objective cost, cost function analysis by means of the value engineering and general method realization of objective cost control for new product development are presented.

介绍了目标成本管理、运用价值工程进行成本功能分析及实现新产品开发目标成本控制的一般方法。

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