地热可从地底下的热水和蒸气来产生，或是利用地表浅层相对而持续的温度来加热和冷却。
This energy can be produced by capturing hot water and steam from deep in the earth or by using the relatively constant temperature of shallow ground to heat and cool.
地热可从地底下的热水和蒸气来产生，或是利用地表浅层相对而持续的温度来加热和冷却。
This energy can be produced by capturing hot water and steam from deep in the earth or by using the relatively constant temperature of shallow ground to heat and cool.
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