市场占有率是一个行业发展水平的重要标志，也是衡量企业竞争力的重要指标。就我国钢铁行业而言，自１９９６年中国钢材产量首次突破１亿吨后，已连续４年居世界首位，以钢材表观消费量计算的钢材市场占有率近年来都在９０％以上，但钢材品种结构却存在突出问题。一方面，... Market share is an important indicator of the level of development of the industry, but also an important indicator of the competitiveness of enterprises. As far as China’s steel industry is concerned, the steel market share in terms of apparent consumption of steel has been above 90% in recent years since the first time that the output of steel in China surpassed 100 million tons in 1996 for the first time in four consecutive years. However, Variety structure there are outstanding problems. on the one hand,...