钢铁工业周期波动规律分析全介，王继祥，聂嵘在经济运行中，经济发展在客观上存在着周期波动。国内外的经济发展历史和我国近十年来的研究证明了经济波动具有超越体制和发展阶段的一般规律，只有树立周期波动意识，建立起客观反映经济发展趋势和规律的经济监测预警系统，... Analysis of the cycle of steel industry fluctuations Wang Ji Xiang, Nie Rong In economic operation, the economic development in the objective existence of cyclical fluctuations. The history of economic development both at home and abroad and in the past decade in our country have proved that the economic fluctuations have the general law of going beyond the system and the stage of development. Only by establishing the awareness of cyclical fluctuations and establishing an economic monitoring and early warning system that objectively reflects the economic development trends and laws, .