*Vertices 4 1 "中国草地" 0.0 0.0 0.0 x_fact 3.597122 y_fact 12.549960 2 "草业科学" 0.0 0.0 0.0 x_fact 12.470024 y_fact 48.760991 3 "草业学报" 0.0 0.0 0.0 x_fact 6.954436 y_fact 25.899281 4 "草原与草坪" 0.0 0.0 0.0 x_fact 7.833733 y_fact 12.789768 *Matrix 0.000000 0.434867 0.336766 0.473884 0.434867 0.000000 0.343452 0.668745 0.336766 0.343452 0.000000 0.387663 0.473884 0.668745 0.387663 0.000000