搜索 - 科创

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（6）全球生态学（global ecology）近年来人们普遍关心的一些重大问题，如核污染、酸雨、人口递增、土地资源减少、臭氧层耗竭、温室气体增加、森林砍伐与植被破坏对全球气候的影响、全球热带雨林面积减少

20年前，美国三里岛核电站发生核污染事故，当时用机器人观测了2号反应堆状态及放射水平，并清理了几十万加仑的放射性垃圾，不但提前了很多时间完成，而且节省了大量资金。

同时此事件也是人类史上第一次在沿海地区发生核电厂意外的事件，其相关的核污染对于整个太平洋及沿岸国家城市的影响仍待观察统计。

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