目前，本次历史街区的改造已提前启动。
At present, the reconstruction of the historical block has been started ahead of schedule.
此外，2006年的改善项目已提前启动。
针对上海地区某一商务楼及其空调系统进行了仿真试验，对系统正常启动和提前启动两种控制策略的仿真结果进行了比较。
An office building in Shanghai is tested with two operation strategies of normal and pre-cooling respectively. The results show that the capacity of building can be used for energy storage.
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