Based on the optimal control theory, this paper has established the scheduling model in the system network and the formula of computation of the nonlinear cost-time curve.

本文应用最优控制理论，建立了非线性成本曲线的系统网络优化模型及计算公式。

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Quality control is the priority cases to Sanyuan Microsilica. Whenever we are making a decision among quality, scheduling and cost, quality will always come first.

质量控制是三远硅灰产品的重点事项。任何时候我们在质量、计划安排和成本上做决策时，质量永远是第一位。

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