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1·Then we supposed and proved the price leader -follower's competition pattern, this is a unapparent way of participating the competition through transmitting the price signal.

然后我们假设并验证了我国钢铁行业的价格领导者—追随者竞争行为模式，这是一种隐形的企业间通过价格信号参与竞争的方式。