明代阁臣群体的构成特点及其成因和影响——以阁臣的地域及户类分布、中进士及入阁年龄和在阁年限为中心
명대각신군체적구성특점급기성인화영향——이각신적지역급호류분포、중진사급입각년령화재각년한위중심
The Structural Characteristics and its cause and impact of in Cabinet Minister Group the Ming Dynasty--- The distribution on the regional and family class, the age into the cabinet and working time of cabinet minister as of became jinshi, the center