The Orthogonal Design is adopted to arrange experiment.

主要采用正交设计安排试验。

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Arrange for experiment to animals in each group by orthogonal design.

各组动物根据正交设计安排实验。

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Method:The method was orthogonal experiment design.

方法：采用正交试验法。

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Method:The method was orthogonal experiment design.

方法：采用正交试验法。

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