Still, reliable ENSO measurements only go back about a century, so it's been hard to determine if these changes are 'normal' in the grand scheme of things.
但可靠的厄尔尼诺-南方涛动数值只能追溯到一百年前,所以很难确定从大范围来看这些变化是否“正常”。
【由于气候变暖,厄尔尼诺现象正在变严重】相关文章:
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2020-09-15
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