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所属栏目：人与自然
所属频道：CCTV-1综合
年份：2012
展开全部
简介：本系列节目主要内容：太阳强大的力量改变这四季的更替，季节性的变化在地球的某些地方创造出了最伟大的奇观，每年春天北美洲的西海岸都会迎来50多万条大麻哈鱼从大西洋洄游到故乡的河流中产卵。收起
《人与自然》 20120417 大麻哈鱼洄游（下）
《人与自然》 20120416 自然发现——大麻哈鱼洄游（上）
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