Two important events of the period were the development of a writing system, as revealed in archaic Chinese inscriptions found on tortoise shells and flat cattle bones, and the use of bronze metallurgy.

• 这一时期，有两个重大的事件。一是文字的出现，发现了刻在龟壳和扁平的牛骨上的篆刻文字;另外就是青铜器的冶炼技术的应用。