They have a balanced and healthy diet, do physical exercises regularly, get enough sleep, and work with high efficiency.

他们注重饮食均衡和健康、定期锻炼，保证充足的睡眠，而且能够保证很高的工作效率。

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They have a balanced and healthy diet, do physical exercises regularly, get enough sleep, and work with high efficiency, .

他们注重饮食均衡和健康、定期锻炼，保证充足的睡眠,而且能够保证很高的工作效率。

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Electrochemical batteries, lithium ones in particular, are the best option, converting stored chemical energy into electricity with high efficiency and without toxic emissions.

电化学电池，特别是锂电池，成为了最佳选择，因为它们把化学能转变为电能效率很高并且无有毒物质释放。

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Plastic mattress covers help keep dander out of beds, and room air cleaners equipped with high efficiency particulate air (HEPA) filters can remove dander from the air.

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Even with the ability to convert sunlight into electricity with high efficiency using photovoltaic solar cells, many challenges prevent us from being able to power all our energy needs with solar panels.

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Meanwhile, wind and building-integrated solar modules with high efficiency photovoltaic materials can supplement our electrical generation capability, as stricter building codes and improved insulation can decrease the energy used to heat and cool buildings.

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