The results show the self-adapt optimized combination forecast model covering the aging function is better than the other forecast models for gas demand forecast.

结果表明，融入时效函数的自适应递推优化组合预测模型比采用其它预测模型预测的结果更好。

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The function of Demand Management is to determine requirement quantities and delivery dates for finished products assemblies.

需求管理功能是确定最终成品装配的数量和交货时间。

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The need for physical therapists will continue to rise as the number of individuals with disabilities or limited function spurs demand for therapy services.

对物理治疗师的需求将随着残疾人或有功能障碍的人对治疗服务需求量的增加而继续增加。

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Guy told me that the demand for high-yield debt is a function of the improving economy, declining returns for the debt market, and the fact that the weakest issuers were effectively shaken out by the last recession.

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Ultimately the pricing is a function of the demand and value that customers have for that service.

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But the spread between the price of the raw material and the price of the finished good is a function of the supply of ethylene-making capacity and the demand for ethylene.

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