Method:The method was orthogonal experiment design.

方法：采用正交试验法。

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First, the paper gives the experiment design method for constructing approximation model.

本文首先给出了建立近似模型前所需的实验设计方法。

youdao

First, the paper gives the experiment design method for constructing approximation model.

本文首先给出了建立近似模型前所需的实验设计方法。

youdao