Optimal placement of switch device is a combinatorial optimization problem with reliability cost objective function.

分段开关优化配置是一种以可靠性费用最小为目标函数的组合优化问题。

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The traditional optimization design is only based on the minimum cost objective function and does not consider the mechanical analysis target.

传统的优化设计仅以最低造价为目标函数，没有考虑结构的受力性能指标。

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Secondly, the model of the cost objective optimization was established, and the general optimal control law and control algorithm were proposed.

其次，建立了成本目标优化模型，提出控制法则并给出控制算法；

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"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30

When investors compare the disclosed cost of objective advice against free or less pricey bad advice where the true cost is undisclosed, they generally choose the lower disclosed cost alternative bad advice.

FORBES: Pension Consultant Shenanigans (September 4, 2004 )

And that there was nothing wrong with managing the system properly so that you could, at the lowest possible cost, achieve the objective which was the highest possible quality of health care.

CNN: Transcript: Clinton speaks on patients' bill of rights

As if to confirm this, few of this week's mergers envisage big cost-savings as their main objective (the link-up of two American insurers, Unum and Provident, may be an exception).

ECONOMIST: Most mergers disappoint. So why do firms keep merging?