摘要
生产力是社会主义发展的根本动力和物质动力；改革是社会主义发展的直接动力和体制动力；精神文明建设是社会主义发展的精神动力和智力支持。它们是社会主义发展的主要动力，构成一个相互联系、相互制约、相互促进的动力系统。这个系统具有整体性。
Abstract The author believes that the productivity is the basic and material motive for the development of socialism while reform forms the direct and mechanical motive and cultural and ethic construction makes the spiritual and intellectual support.These motives form a interlocked and interrelated system,which manifests the properies of unity,hierarchy and dynamic balance.
