*Vertices 9
1 "低温与超导" 0.0 0.0 0.0 x_fact 1.059603 y_fact 3.708609
2 "石油化工设备" 0.0 0.0 0.0 x_fact 0.264901 y_fact 3.046358
3 "油气储运" 0.0 0.0 0.0 x_fact 1.456954 y_fact 11.390728
4 "天然气工业" 0.0 0.0 0.0 x_fact 1.456954 y_fact 44.503311
5 "深冷技术" 0.0 0.0 0.0 x_fact 1.059603 y_fact 2.781457
6 "低温工程" 0.0 0.0 0.0 x_fact 5.033113 y_fact 12.317881
7 "轴承" 0.0 0.0 0.0 x_fact 0.000000 y_fact 6.622517
8 "硅酸盐通报" 0.0 0.0 0.0 x_fact 0.264901 y_fact 5.695364
9 "化工进展" 0.0 0.0 0.0 x_fact 1.986755 y_fact 9.933775
*Matrix 
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