根据碳测定，小米和大米在中国和东南亚是在公元前大约3000年驯化，而玉米和豆类在墨西哥则是在公元前7000年驯化。
According to carbon dating, millet and rice in China and southeastern Asia were domesticated about 3000 BC: and corn and beans in Mexico about 7000bc.
研究人员称，根据放射性碳年代测定法的测定结果，德国南部多瑙河流域附近的一处考古遗址中出土的这尊雕像距今至少有三万五千年。
Radiocarbon dating indicates the figure excavated from an archaeological dig in southern Germany, near the Danube valley, was at least 35, 000 years old, the researchers said.
研究人员称，根据放射性碳年代测定法的测定结果，德国南部多瑙河流域附近的一处考古遗址中出土的这尊雕像距今至少有三万五千年。
Radiocarbon dating indicates the figure excavated from an archaeological dig in southern Germany, near the Danube valley, was at least 35,000 years old, the researchers said.
应用推荐