*Vertices 4
1 "材料保护" 0.0 0.0 0.0 x_fact 5.405405 y_fact 28.885135
2 "金属学报" 0.0 0.0 0.0 x_fact 2.364865 y_fact 24.662162
3 "金属热处理" 0.0 0.0 0.0 x_fact 9.459459 y_fact 36.317568
4 "中国表面工程" 0.0 0.0 0.0 x_fact 3.209459 y_fact 10.135135
*Matrix 
0.000000 0.000000 0.259025 0.260393 
0.000000 0.000000 0.000000 0.000000 
0.259025 0.000000 0.000000 0.231187 
0.260393 0.000000 0.231187 0.000000