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Arctic sea ice levels hit a record low for a third consecutive year.
北极海冰水平连续三年创历史新低。
Scientists with NASA and the National Snow and Ice Data Center measured sea ice covering 14.42 million square kilometers.
美国国家航空航天局和国家冰雪数据中心的科学家测量海冰面积为1442万平方公里。
According to recordkeeping dating back to 1979, that is the smallest maximum extent of arctic ice on record.
追溯到1979年的记录，那是北极冰层记录中最小的最大范围。
Compared to last year's record low, ice covering the Arctic Ocean lost about 100,000 square kilometers.
与去年纪录低点相比，北冰洋覆盖的冰层损失约为100,000平方公里。
Satellite observations showed that winter ice levels are also thinner when compared to recent years.
卫星观测表明，与近几年相比冬季冰层的厚度也在变薄。
Those observations suggest that unusually warm autumn and winter temperatures have had a global effect.
这些观察表明，异常温暖的秋季和冬季气温产生了全球影响。
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