中庭顶部的太阳能电池板的自动化系统，利于采光和自然通风，最大限度地提高能源利用效率。
The automation system in the sun panels on the atrium top allows for natural light and air ventilation maximizing the efficiency of energy use.
这位在办公室设在北京的为美国自然资源保护委员会工作的大学生，经常到重庆帮助其提高能源利用效率。
The former college student, who works for the Beijing office of the U. S. -based Natural Resources Defense Council, often travels to Chongqing and helps the city improve its energy efficiency.
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