求翻译：第一是相关政策的调控，如推行清洁能源；第二是改进技术手段，如改进发动机结构，降低尾气污染；第三是转变公民意识，如倡导绿色出行，做到低碳生活。是什么意思？

The first is the regulation of the relevant policies, such as the implementation of clean energy; The second is to improve the technical means, such as improved engine structure, reduce exhaust pollution; The third is to change the consciousness of the citizens, as the promotion of green travel, so

The first is the policy of the regulation and control, such as the Clean Energy; the first 2 is to improve technical means, such as the improved engine structure and lower exhaust pollution; 3 change is advocated green citizenship, such as travel, do low-carbon life.

First is the correlation policy regulation, like carrying out clean energy; Second improves the technical method, if the improvement engine structure, reduces the exhaust pollution; Third is transforms the citizen to realize, if the initiative green journey, achieves the low-carbon life.

First is the regulation of related policies, such as clean energy; second, improved technological means, such as improved engine structure, reducing exhaust pollution; a third is changing citizenship, such as promoting green travel, do low-carbon life.

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