On a hot day, a tree can release tens of gallons of water into the air, acting as a natural air conditioner for its surroundings.
在炎热的白天，一棵树能够向大气中释出数十加仑的水分，对周围环境起到自然空调器的作用。
However, for a while the land around the city acted as a natural air conditioner, keeping the air cool through evaporation of moisture from the ground.
不过，有一段时间，莫斯科市周围的土地起到了自然空调的作用，通过从地面蒸发湿气保持空气凉爽。
These homes were all built to take advantage of simple, natural cooling methods–no air conditioner required.
这些住宅都利用简单、自然的冷却方法而建——无需空调。
But natural cooling techniques have been used for as long as humans have been building homes; after all, the modern air conditioner is a relatively recent invention.
但是，尽管现代空调器是一种相对新兴的发明，自然冷却技术的使用却和人类建造房屋的历史一样久远。
These homes were all built to take advantage of simple, natural cooling methods - no air conditioner required.
这些住宅都利用简单、自然的冷却方法而建——无需空调。
The whole area is reputed to be a "huge natural air-conditioner."
这里的整个区域都被享誉为巨大的天然空气调节器。
Major types of HVAC used in Hangzhou are presented and the advantages of the air conditioner using natural gas direct combustion engine are discussed, with Suggestions on its promotion.
介绍了目前杭州地区中央空调的应用类型，天然气直燃机空调的优点及如何普及应用。
Study of natural wind simulation for air conditioner equipment is an important research question.
室内空调设备送风方式的模拟自然风研究是一个有重大价值的研究课题。
The sea in Sanya is like a natural air-conditioner.
在三亚，大海就像一台天然的空调。
A lot of people come to this natural air-conditioner to seek cool shelter from the heat.
很多人在夏天的时候都会来这个大自然的空调下避暑纳凉。
The illumination, assessment index of positive and negative ions and total bacteria in office with air-conditioner were lower than those of natural ventilation office (P< 0.01).
空调办公环境的照度、正负离子评价指数及细菌总数均低于自然通风办公环境（P< 0.01）；
The illumination, assessment index of positive and negative ions and total bacteria in office with air-conditioner were lower than those of natural ventilation office (P< 0.01).
空调办公环境的照度、正负离子评价指数及细菌总数均低于自然通风办公环境（P< 0.01）；
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