DOE是试验设计，是指通过优选选择对参品特性影响比较大的各相关参数，确定那些因素重要那些不重要，还有每个因素取什么水平为好；各个因素按什么样的的水平搭配起来是产品 特性指标较好，这就是试验设计。说白了就是考察影响产品特性的各个参数，确定什么样的参数组合些产品特性最好。
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