*Vertices 3 1 "分析化学" 0.0 0.0 0.0 x_fact 5.787546 y_fact 29.816850 2 "高等学校化学学报" 0.0 0.0 0.0 x_fact 2.564103 y_fact 66.520147 3 "青岛科技大学学报" 0.0 0.0 0.0 x_fact 2.197802 y_fact 3.663004 *Matrix 0.000000 0.269041 0.595466 0.269041 0.000000 0.567185 0.595466 0.567185 0.000000