The Haidai region, which lies in the lower Yellow and Huai River Valley, was mainly a millet planting dry farming area in the early Neolithic period.
地处黄淮下游的海岱地区，新石器时代偏早时期是以种植粟类作物为主的旱作农业区。
The Haidai region, which lies in the lower Yellow and Huai River Valley, was mainly a millet planting dry farming area in the early Neolithic period.
地处黄淮下游的海岱地区，新石器时代偏早时期是以种植粟类作物为主的旱作农业区。
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