*Vertices 4 1 "物探化探计算技术" 0.0 0.0 0.0 x_fact 5.940594 y_fact 12.871287 2 "物探与化探" 0.0 0.0 0.0 x_fact 3.168317 y_fact 17.623762 3 "石油物探" 0.0 0.0 0.0 x_fact 13.465347 y_fact 44.752475 4 "石油地球物理勘探" 0.0 0.0 0.0 x_fact 6.138614 y_fact 24.752475 *Matrix 0.000000 0.258184 0.344297 0.503518 0.258184 0.000000 0.000000 0.000000 0.344297 0.000000 0.000000 0.554357 0.503518 0.000000 0.554357 0.000000