*Vertices 8
1 "岩土力学" 0.0 0.0 0.0 x_fact 2.218115 y_fact 28.835490
2 "国土资源遥感" 0.0 0.0 0.0 x_fact 0.000000 y_fact 3.604436
3 "有色金属矿山部分" 0.0 0.0 0.0 x_fact 2.402957 y_fact 3.327172
4 "煤炭学报" 0.0 0.0 0.0 x_fact 0.739372 y_fact 5.730129
5 "金属矿山" 0.0 0.0 0.0 x_fact 2.310536 y_fact 29.852126
6 "爆破器材" 0.0 0.0 0.0 x_fact 1.848429 y_fact 3.327172
7 "爆破" 0.0 0.0 0.0 x_fact 3.327172 y_fact 18.207024
8 "工程爆破" 0.0 0.0 0.0 x_fact 3.604436 y_fact 7.116451
*Matrix 
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