Statistics indicates that the ratio of MIS to all the software engineering applications is more than 60%.

统计表明，MIS在软件工程所有类型应用中所占比例已经超过60%。

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It can get good effect through the measures of advancing the aggregate grading and increasing sand ratio and provide reference for similar engineering.

通过改善集料级配，适当增加砂率等措施来解决流沙问题能取得良好的效果，可为类似工程提供参考。

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This paper presents simulating optimal quality cost by using the ratio of reconstruction cost on divided engineering and curve fitting model, and applies the model in a.

利用分部分项工程返修费率的概念，以线拟合模型模拟最佳质量成本，并将其应用于某施工企业质量成本管理工作。

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