求翻译：文章主要从我国矿业企业和运筹学的角度出发，针对我国目前矿用设备的配置现状，建立了设备更新模型，并运用动态规划的方法对该模型进行求解，得出了矿用设备在每一年的更新决策。最后通过用矿用设备主扇来验证该模型的有效性。是什么意思？

The article is mainly from the point of view of mining companies and operations research for China's current configuration status of mining equipment, equipment update the model and the model is solved using dynamic programming, obtained the mining equipment in each updated in decision-making. Final

Articles from our major mining enterprises and operational perspective, for my current mining equipment configuration, the device updates the model, and use a dynamic method of planning for the model, which came to the mining equipment in each year of the update. Finally through the use of mining eq

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Articles primarily from mining companies and operational research point of view, for the current status of mining equipment, the establishment of a model for device update, method and application of dynamic programming to solve the model to come up with mine equipment renewal decision in every year.

The article mainly embarks from Our country Mining industry Enterprise and the operations research angle, in view of our country the mineral product equipment disposition present situation, established the equipment to renew the model at present, and carried on the solution using the dynamic program