据考证，这里早在中原龙山文化时期就有人类活动迹象。
There are traces of early man living here in the period of Longshan Culture.
到龙山文化时期，海岱地区的南部和东部沿海一带，已经形成了一定规模的稻作农业经济。
The coastal region of East and South in Haidai region had formed a scale rice raising agriculture during the Longshan period.
从黄河中下游地区目前已知的龙山文化遗址分析，龙山文化时期没有发现大的文化断层。
Analyses into the Longshan Culture known to us at present have found no big cultural faults.
新石器时期，在黄河中、下游地区，出现了仰韶文化和龙山文化。
The Neolithic period, in the Yellow River in the lower reaches, there has been Yangshao and the Longshan culture.
新石器时期，在黄河中、下游地区，出现了仰韶文化和龙山文化。
The Neolithic period, in the Yellow River in the lower reaches, there has been Yangshao and the Longshan culture.
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