这些研究的类型目前均相对较少，但一些近来的研究结果再次强调了需要一个统一的诊断标准。

These kinds of studies are currently relatively few, but results of a recent study have reinforced the concept of necessary criteria for diagnosis.

youdao

这些研究的类型目前均相对较少，但一些近来的研究结果再次强调了需要一个统一的诊断标准。

These kinds of studies are currently relatively few, but results of a recent study have reinforced the concept of necessary criteria for diagnosis.

youdao