An all round summarization of the development at each stage is made to provide the dissertation with background material on the basis of the tidying up the development of this theory.

• 该部分通过对根结标本理论发展脉络的梳理,较为全面的总结归纳各个历史时期根结标本理论的发展状况与特点,为论文提供可靠的背景材料。