That is for each location and date.
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送交者: BIGBEN 于 2016-11-20, 17:00:27:
回答: 里面的averege是不证自明的 由 008 于 2016-11-20, 16:36:06:
In scientific research, there is a term called control. Here the average is not just any kind of average, it is controlled for location and date. By the way, the global average surface temperature is not the same as what you just mentioned here.
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