The main method of passive cooling — natural ventilation — is the focus we pay attention to.

建筑被动式降温的主要方法—— 自然通风，更是我们关注的焦点。

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The bi-folding doors deliver natural light and harness passive cooling breezes when open and security when closed.

双折门提供自然光，打开时利用被动降温的微风，关闭时保障安全。

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Porous ceramic water containers and evaporators thus form the basis on which passive cooling systems are designed.

因此，多孔性陶瓷水箱和水蒸发器成为设计出被动制冷系统的基础。

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Nevada's first platinum-certified LEED (Leadership in Energy and Environmental Design) buildings stand proudly here, constructed of recycled materials and rammed-earth walls, with passive cooling, renewable heating, reclaimed water and solar-electricity panels, all harvesting clean energy.

BBC: Discover life in the Nevada desert

The new Generation III reactors such as the AP1000 have a simplified "passive" cooling system where the water circulates by natural convection with no pumping required.

WSJ: William Tucker: Japan Does Not Face Another Chernobyl

It uses so-called passive systems for cooling, such as the gravity flow of water and natural circulation based on thermodynamics.

WSJ: NRC Approves Toshiba Reactor Design