*Vertices 4 1 "特种铸造及有色合金" 0.0 0.0 0.0 x_fact 9.282700 y_fact 37.130802 2 "中国铸造装备与技术" 0.0 0.0 0.0 x_fact 7.032349 y_fact 10.829817 3 "铸造" 0.0 0.0 0.0 x_fact 19.971871 y_fact 36.990155 4 "铸造技术" 0.0 0.0 0.0 x_fact 9.142053 y_fact 15.049226 *Matrix 0.000000 0.398187 0.772154 0.560590 0.398187 0.000000 0.805210 0.731483 0.772154 0.805210 0.000000 0.823482 0.560590 0.731483 0.823482 0.000000