Through the quantitative comparison of their relative relation, blood lineage and invasion outside, making Peter I and Nectarine II as center, we penetrate the vertical and horizontal contrast between the former tsars and latter tsars.

• 通过他们的亲缘、统和对外侵略三方面的量化比较,以彼得大帝和叶卡特琳娜二世女皇为核心,透视王朝前期和后期沙皇之间横向与纵向的关系。