In the Sahara, the difference in temperature between the day and the night is pretty big.

在撒哈拉沙漠，昼夜温差很大。

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The difference in average temperature between Napa and Fresno was 5 degrees Fahrenheit.

纳帕和弗雷斯诺的平均气温差是华氏5度。

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It harvests that energy by exploiting the difference in temperature between the warm surface of the sea and its cold depths.

它在海洋暖水层和冷水层之间的温度差中获取能量。

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Another reason is that a small change in temperature can mean the difference between snow and rain.

VOA: special.2010.01.05

That warming trend was especially marked at night, when the temperature difference between the ground and the air is highest.

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These pens would bob 60 feet below the surface, kept in place with motors powered by heat exchangers that use the temperature difference between deep water and shallow water to generate electricity.

FORBES: Magazine Article

They get their initial power and instability from the difference in temperature between the very hot Sahara air and the substantially cooler air along the coast of the Gulf of Guinea.

BBC: NEWS | Africa | Experts seek clues to hurricane births