Number the kinds of movies in the order you hear them.这句是什么从句?句中you hear them做什么成分,

Number the kinds of movies in the order you hear them.这句是什么从句?句中you hear them做什么成分,
如果是Number the kinds of movies in the order while/as you hear them。则变成状语从句啦。而这句话在英语书上的翻译是“按听到的顺序给这几种电影编号”，那么翻译的就不正确啦。