他根据自己的调查研究得出了这个结论。的翻译：He based his own investigation reached this conclusion. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

He based his own investigation reached this conclusion.

He acted according to own investigation and study to draw this conclusion.

In accordance with their own investigations and studies he was led to this conclusion.

He based his own investigation reached this conclusion.