这个结果尚未得到证实，但在全世界范围内对这方面研究的很广泛。

This has not only been confirmed but extended by many scientists all over the world.

youdao

这个结果尚未得到证实，但在全世界范围内对这方面研究的很广泛。

This has not only been confirmed but extended by many scientists all over the world.

youdao