主句是“specialization was the process of communication"这就是句子的主干成分.
“only one of a series of related developments in science affecting”是对主语“specialization”进行限定修饰的
主句是“specialization was the process of communication"这就是句子的主干成分.
“only one of a series of related developments in science affecting”是对主语“specialization”进行限定修饰的