自 70 年代,mebs已经成为一个学术兴趣。的翻译：Since the 70 's, mebs has become one of academic interest. 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

Since the 1970s, mebs has become an academic interest.

Since the 70 's, mebs has become one of academic interest.

From the 70's, mebs already became an academic interest.

Since 1970s, mebs has become an academic interest.

Since the 70 's, mebs has become one of academic interest.