辽宁省葫芦岛市建昌县于道沟及辽西其他地点出土的异形戈,时间在春秋战国之际前后,是追寻朝鲜半岛和日本弥生时代异形戈起源的重要例证。同时,由于异形戈是辽宁式铜剑文化从辽东向辽西扩展过程中,与燕文化融合的产物,从而也有助于认识辽宁式铜剑的起源与发展演变。 Before and after the Spring and Autumn Period and the Warring States Period, the time when the dynasties were excavated at Yu Dao ditch and other places in western Liaoning Province of Huichang City, Liaoning Province, was an important example to trace the origins of Alien Gobi in the Korean Peninsula and Japan. At the same time, because of heterotrophic Ge lian-style copper sword culture from Liaodong to western Liaoning expansion process, the product of integration with Yan culture, which also helps to understand the origins and development of Liaoning-style copper sword evolution.