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闡述采用樓宇自動化系統(tǒng)的 DDC直接數(shù)字控制器監(jiān)測和控制定風量空調(diào)系統(tǒng)的運行參數(shù) ,達到節(jié)能目的
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Air Conditioning Systems Air conditioning has rapidly grown over the past 50 years, from a luxury to a standard system included in most residential and commercial buildings. In 1970, 36% of residences in the U.S. were either fully air conditioned or utilized a room air conditioner for cooling (Blue, et al., 1979). By 1997, this number had more than doubled to 77%, and that year also marked the
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