本文考虑冬季道路养护中的服务水平、车队规模等约束条件，建立了实习信息下除雪车辆优化调度的整数规划模型。
This paper established an integer programming model of the snow emergency vehicle scheduling which considered the realistic constraints such as the fleet size and the level of service.
本文首先讨论了教育实习成绩评定中存在的一些问题，然后应用多元统计中的判别分析与最优分割方法，结合实例给出了进行优化的方法与途径。
In this paper, by using the principal component analysis and optimal sorting method, we get a solution for the assessment of educational practise and then give the calculation of a example.
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