求翻译：境内还有国家级重点文物保护单位两处，一处是有6000多年历史的“薛家岗文化遗址”；另一处是存留着300多幅历代文人石刻的山谷流泉摩崖石刻是什么意思？

Territory there is a national key cultural relics protection unit two, a 6000 years of history, "Xuejiagang cultural sites; another lifetime of the literati of 300 pieces of carved stone the valley Nagareizumi Cliff

There are state-level key cultural relics protected unit, and one in more than 6,000 years of history of the "Xue cultural sites; the other one is kept in the more than 300 writers Junichiro Koizumi stone carving of the valley stream cliff carvings Moses

Within the boundaries also has state-level key cultural relic preservation organ two, has more than 6000 years history “the Xue village cultural remains site”; Another is preserving more than 300 all previous dynasties writer carved stone mountain valley natural flow inscription carved on a cliff fa

There are also state-level key cultural relics protection units in two, one is more than 6,000 years of history of "sit sites of gang culture"; another was held over more than 300 pieces of ancient writers, the carved stone of Valley Stream spring Cliffside

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