针对目前设备采购决策中存在的问题，提出一种单层次灰色决策数学模型，并以实例说明其应。
A single level grey decision making model, which is aimed at some existing problems on present decision of purchasing equipments, is proposed and its applications are shown with examples.
同时，采用灰色关联分析的评标模型可以综合各方面因素，选择出最适合的供应商，有利于提高采购工作效率，降低采购成本。
At the same time, use GCA evaluation can integrate various factors, and choose the most suitable suppliers. It is good to improve procurement efficiency and lower procurement costs.
同时，采用灰色关联分析的评标模型可以综合各方面因素，选择出最适合的供应商，有利于提高采购工作效率，降低采购成本。
At the same time, use GCA evaluation can integrate various factors, and choose the most suitable suppliers. It is good to improve procurement efficiency and lower procurement costs.
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