a range of conditions, some more severe than others, that are also referred to as autism and that affect the development of social and communication skills and sometimes a person's behaviour and interests

Many of these children are classed as being on the autistic spectrum. 这些孩子中有很多可以归入自闭症谱系。

Rachel is at the high-functioning end of the autistic spectrum. 雷切尔的情况属于自闭症谱系中的高功能类别。