1970年，法国农场的平均规模为19公顷。In 1970 the average size of a French farm was 19 hectares.威利·勃兰特1970年访问东德，书写了历史新篇章。Willy Brandt made history by visiting East Germany in 1970.他在1970年自己50岁生日时退了休。He retired in 1970, on his fiftieth bi...