但是美国智力与发育残疾协会并未引入这个临界值。

But the American Association of Intellectual and Developmental Disabilities does not cite such a numerical cutoff.

youdao

但是美国智力与发育残疾协会并未引入这个临界值。

But the American Association of Intellectual and Developmental Disabilities does not cite such a numerical cutoff.

youdao