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1970年，法國農(nóng)場的平均規(guī)模為19公頃。In 1970 the average size of a French farm was 19 hectares.威利·勃蘭特1970年訪問東德，書寫了歷史新篇章。Willy Brandt made history by visiting East Germany in 1970.他在1970年自己50歲生日時退了休。He retired in 1970, on his fiftieth bi...