Considering the unique cabin environment, a new cabin air quality control system based on active and passive control strategy was described.

针对旅客机独特的座舱环境，提出一种新型的主动与被动控制策略相结合的座舱空气质量控制系统。

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It can control the temperature, light and even air quality in your bedroom to help you have a perfect sleep environment.

它可以控制卧室的温度、光线甚至空气质量来帮助您拥有一个完美的睡眠环境。

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The air filter element should be replaced after cleaning 3 times, and the cleaning cycle can be determined by the air quality of the usual control area.

空气滤芯通常在清洁3次后就应替换新的，清洁周期能够由平时驾驭区域的空气质量而定。

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Located in the uppermost part of the eco-friendly home, the on-board plants would aid temperature regulation, control air quality, and provide everyday sustenance.

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We can and should control surface pollution as that effects air quality yet there is a huge difference between controlling air quality as that remains constant in cold or warm environments while temperatures constantly fluctuate from day to night, month to month and year to year, in the Western isles of Europe we are having a particularly cool and wet summer.

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It supports processes that we all often take for granted, such as air quality, climate regulation, water purification, parasite and disease control, pollination and the prevention of erosion.

UNESCO: Message by UNESCO Director-General Irina Bokova