有证据证明在 SAA 类型中存在微观不均一性。

There is evidence that microheterogeneity exists within the SAA species.

youdao

有证据证明在SAA类型中存在微观不均一性，因此提出了可能只有一部分SAA可致淀粉样病变。

There is evidence that microheterogeneity exists within the SAA species, thus raising the possibility that only some forms of SAA may be amyloidogenic.

youdao