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你知道地球上为什么有五个气候带吗？答案竟然和太阳有关！
你是否有过这样的疑惑：为什么有些地方一年四季如春，有些地方却冰天雪地？为什么有些地方雨水充沛，有些地方却干旱无比？为什么有些地方风和日丽，有些地方却风雨交加？
宇宙知识探秘224/345
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