This paper analyzed the two-speed universal winch's transfer system, then established optimization model, and posed a practical optimization algorithm.
分析研究了双速多用绞车传动系统，建立了优化模型，并提出了一套切实可行的优化算法。
The mathematic model of systematic optimization is then established.
然后，建立了系统优化的数学模型。
Then a new decision model is established to solve the cost optimization problem of DCs location for chain enterprise, in order to afford decision support.
基于库存的优化，建立了新的决策模型来解决连锁企业的配送中心选址的成本最优化问题，以期为连锁企业的配送中心选址提供决策支持。
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