*Vertices 3
1 "天然气工业" 0.0 0.0 0.0 x_fact 0.540541 y_fact 40.540541
2 "深冷技术" 0.0 0.0 0.0 x_fact 2.702703 y_fact 26.486486
3 "低温工程" 0.0 0.0 0.0 x_fact 0.000000 y_fact 32.972973
*Matrix 
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