The orthogonal test design method is very suitable to be popularized and applied in minor enterprises because of its features of scientific method, easy operation, lower cost and striking effect.

正交试验设计法以其方法科学、操作简便、费用节省、效果显著等特点，十分适合在小企业推广运用。

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Through analyzing the orthogonal test and incorporating it with the software testing theory, this paper puts forward an orthogonal method to design test cases.

文章对正交试验进行了分析，并将其与软件测试理论相结合，提出了测试用例的正交设计方法。

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Methods Orthogonal test design, a high effective research method of multifactors, was used to balance test study on the epidemiologic factors of the disease.

方法应用一种快速高效的多因素研究方法—正交试验设计，对该病的感染流行因素进行平衡试验研究。

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