Eighteen countries now generate electricity using geothermal heat.

现在有18个国家使用地热发电。

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Geothermal heat pumps can also differ in the way they are designed.

地热热泵还可以在他们不同的设计方式。

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The model includes 0.5 TW of geothermal heat pumps for direct building heating and cooling.

该模型包括0.5太瓦的地热泵直接构筑采暖和制冷。

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Geothermal heat generates cheap, clean electric power, but requires a steep upfront commitment of capital to tap.

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Thanks to Iceland's abundance of geothermal heat, swimming is a national institution.

BBC: Iceland��s feisty capital of the north

People tack on all manner of technology to their homes to be green: solar panels, 100-foot-deep geothermal heat pipes and computerized climate zones.

FORBES: The House Goes Round