从夏家店下层文化开始，本区进入青铜时代。
It was from the lower-level culture stage of Xiajiadian that this area entered Bronze Age.
以往对夏家店下层文化社会形态的研究，多着重于社会层次的复杂性，文明的发达程度上。
Formerly to Xiajiadian lower level culture form of society research, many emphatically in its social level complexity, in civilized developed degree.
以往对夏家店下层文化社会形态的研究，多着重于社会层次的复杂性，文明的发达程度上。
Formerly to Xiajiadian lower level culture form of society research, many emphatically in its social level complexity, in civilized developed degree.
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