The COP of the ground source heat pump is higher than that of the air source heat pump because of the soil annual temperature change characteristics.

由于土壤温度的全年温度变化特性，地源热泵比空气源热泵具有更高的COP。

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And we found that the change of July temperature has important contribution to the variation of annual temperature.

七月均温的变化对年均温的变化有重要贡献。

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The major factors that influence isotopic composition of cave drip water are mean annual air temperature, mean annual rainfall and change in moisture source.

影响洞内滴水的稳定同位素组成的因素主要是年平均气温、年降雨量以及降水气团的来源的变化。

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Shown in the nearby graph is the measured annual temperature of the earth since 1989, just before the first report of the Intergovernmental Panel on Climate Change (IPCC).

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