最終更新日：2022/12/07
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A Scandinavian unit of distance of 10 kilometers. Standardized to 10,688.54 meters in 1649, before being defined as 10 km in 1889.
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A Scandinavian unit of distance of 10 kilometers. Standardized to 10,688.54 meters in 1649, before being defined as 10 km in 1889.
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