第三部分是研究假说，在未知的前提下尝试性地预测研究的结论。

The third part is the hypothesis, which forecast the conclusion experimentally under the unknown position.

youdao

第三部分是研究假说，在未知的前提下尝试性地预测研究的结论。

The third part is the hypothesis, which forecast the conclusion experimentally under the unknown position.

youdao