Controlled node controller for air filtration system based on IEEE802.15.4 standard.

基于IEEE802.15.4标准的用于空气过滤系统的受控节点控制器。

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Equipped with circulatory system and air filtration system, the environmental requirements greatly reduced.

内设自循环系统和空气滤清系统，对环境要求大幅降低。

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But an air filtration system installed Thursday has brought radiation down to a high, but more acceptable, level.

但是星期四安装的一座空气过滤系统把辐射程度降低到一个高点，但是是比较能接受的水平。

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The Environment Agency said the questions concerned the facility's air filtration system.

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To cope with air pollution in China, artist Matt Hope produced a "Breathing Bike, " that consists of a fighter pilot's breathing mask attached to a pedal-powered air filtration system.

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It will also feature an improved air-filtration system and an LED lighting scheme that can be programmed to help fight the effects of jet lag, as well as larger overhead storage bins.

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