分析:本句的难点在于认清句子主干,因为句中的主句被插入语隔开,并且插入语中还含有宾语从句。该句的主干是This success…led Ericsson to conclude that, that引导的一个宾语从句,做conclude宾语。被两个逗号与主句隔开的过去分词短语coupled with later research showing that…是插入语,其中现在分词结构showing that…做后置定语修饰research ,showing之后由 that 引导的宾语从句做showing 的宾语。