党的十五大确立了一个鲜明的主题，即“高举邓小平理 论伟大旗帜，把建设有中国特色社会主义事业全面推向二十一世纪”。确立这样的主题，它是一个标志，即标志着第三代领导集体的成熟。成熟的标准起码有两条，一是实践标准，二是理论标准。从实践上看，党的第三代领导集体经受 The 15th CPC National Congress has set forth a distinct theme: “holding high the great banner of Deng Xiaoping Theory and pushing the cause of building socialism with Chinese characteristics to the 21st century in an all-round way.” Establishing such a theme is a hallmark of the maturity of the third generation of leadership. At least two mature standards, one is the practice of standards, the second is the theoretical standard. In practice, the third generation of the Party’s collective leadership has withstood