Industry analysis 群s Using BCG Matrix to analyze 明星 问题类 20% 18% 16% On-Line 14% 平12% 10% 奶牛类 Q劣狗类 J Off-Line 10x 4x 2x 1. 5x lx 5x. 4x. 3x. 2x. lx 相对市场份额Using BCG Matrix to analyze Industry Analysis Off-Line On-Line 49