曾经做过的研究有失败在哪些地方?的翻译：Has done research has failed in what place? 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

Have done research have failed in what areas?

Has done research has failed in what place?

Has done which places does the research have the defeat in?

It has done in the study have failed?

Has done research has failed in what place?