本文结合实际，就钢铁联合企业优化利用煤气，减少放散，降低产品成本进行了探。
This paper discussed reducing costs of product by optimum utilizing gas and reducing gas loss of incorporated business enterprise of iron and steel.
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.
文中详细讨论了价值设计的目的，功能分析，产品成本和价值评价，给出了价值优化的模型及例子。
This paper discusses in detail the purpose of value design, function analysis, cost and value evaluation, and also points out the value optimization and examples.
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