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本文取得主要结论如下：1。
The main results are as follows: 1.
youdao
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主要研究方法和结论如下：1实验研究。
The main method and conclusions go as following: 1 Experimental investigation.
youdao
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主要研究方法和结论如下：1实验研究。
The main method and conclusions go as following: 1 Experimental investigation.
youdao