The data center has a dedicated heating, ventilation, and air conditioning (HVAC) system, so the temperature is always a cool 70 degrees Fahrenheit.

数据中心有专用的取暖、通风和空调(Heating, Ventilation, and Air Conditioning, HVAC)系统，因此温度始终是华氏70度。

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Reflective roofing reduces heat gain on the facility and a new high performance heating ventilation and air conditioning system vastly improves energy consumption.

反射屋面减少了吸热，新的高性能采暖通风和空调系统大大减少了能源消耗。

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The design contents and plans of heating ventilation, air conditioning and fume exhaust system of one underground building are introduced.

介绍了某地下综合用房工程空调通风以及防排烟系统设计内容、方案与战时人防功能的配合设计。

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Rupert said the same chlorine dioxide treatment will be used on the building's heating, ventilation and air conditioning system (HVAC), where spores had been found after the letter was opened in Daschle's office.

CNN: Fumigation largely succeeding in clearing anthrax