*Vertices 6 1 "催化学报" 0.0 0.0 0.0 x_fact 4.241071 y_fact 28.906250 2 "石油学报石油加工" 0.0 0.0 0.0 x_fact 6.808036 y_fact 11.049107 3 "炼油技术与工程" 0.0 0.0 0.0 x_fact 4.575893 y_fact 10.156250 4 "石油化工" 0.0 0.0 0.0 x_fact 5.357143 y_fact 16.852679 5 "石油炼制与化工" 0.0 0.0 0.0 x_fact 5.133929 y_fact 20.870536 6 "油田化学" 0.0 0.0 0.0 x_fact 0.446429 y_fact 12.165179 *Matrix 0.000000 0.338800 0.000000 0.357571 0.000000 0.000000 0.338800 0.000000 0.412713 0.455963 0.400851 0.255163 0.000000 0.412713 0.000000 0.000000 0.640601 0.000000 0.357571 0.455963 0.000000 0.000000 0.238546 0.000000 0.000000 0.400851 0.640601 0.238546 0.000000 0.000000 0.000000 0.255163 0.000000 0.000000 0.000000 0.000000