因为这些人工制品和附近经过碳定年确定为公元前9000年左右的遗迹里找到的制品是如此相似，斯密特和他的伙伴们估计歌贝克力山顶遗址和这个遗迹是出自同一个时期的。

And because those artifacts closely resemble others from nearby sites previously carbon-dated to about 9000 B.C., Schmidt and co-workers estimate that Gobekli Tepe's stone structures are the same age.

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爵士乐在美国出生1890左右。它来自被黑色的人唱并且有了在非洲的它根工作歌。

Jazz was born in the USA around 1890. It came from work songs sung by black people and had its roots in Africa.

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