Some methods already exist, for example wind power.

有些方法已经存在，例如风力发电。

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In Scotland, for example, wind turbines provide enough electricity to power 95 percent of homes.

例如，在苏格兰，风力涡轮机为95%的家庭提供充足的电力。

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For example, India is the world's fourth-biggest producer of wind power.

例如，印度是世界上第四大风能的生产商。

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For example, India is the world's fourth-biggest producer of wind power.

例如，印度是世界上第四大风能的生产商。

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