First, experiment-design method was introduced in order to gain scientific and logical experiment schemes.

首先采用试验设计方法科学合理地生成试验方案，并进行试验。

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First, experiment-design method was introduced in order to gain scientific and logical experiment schemes.

首先采用试验设计方法科学合理地生成试验方案，并进行试验。

youdao