*Vertices 4
1 "地球物理学报" 0.0 0.0 0.0 x_fact 4.525547 y_fact 28.759124
2 "石油物探" 0.0 0.0 0.0 x_fact 12.992701 y_fact 36.058394
3 "石油地球物理勘探" 0.0 0.0 0.0 x_fact 5.839416 y_fact 19.562044
4 "测井技术" 0.0 0.0 0.0 x_fact 1.751825 y_fact 15.620438
*Matrix 
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0.233685 0.560337 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000