并先后取得了实习研究员、助理研究员职称的翻译：And has obtained a practicing researcher and Assistant Professor titles 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

And has made a practice researcher, assistant researcher titles

And has obtained a practicing researcher and Assistant Professor titles

And has obtained research trainee, assistant researcher successively the title

He has also achieved internship, assistant researcher designation

And has obtained a practicing researcher and Assistant Professor titles