Formally, the set of production possibilities is the collection of “feasible outputs” of anindividual, group or society or country.

从形式上看，生产可能性集是“可行的产出”个人，群体或社会或国家的集合。

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For electrical heating furnace a simple and feasible computer control strategy with PID algorithm has been set forth to achieve dynamic optimization and production stability.

针对铸件热处理用电加热炉，提出了一种简单易行的计算机控制方案，采用PID 系统控制算法，以达到优化并稳定工艺参数及提高产品质量的目的。

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