Several control strategies also mitigated at-source needs by adapting lighting, heating and cooling use to actual occupation and needs.
通过改变照明、供暖和制冷的使用来适应实际使用和需求，几个控制策略也减缓了能源需求。
Surface water heat pumps (SWHPs) are energy-efficient devices for heating and cooling that use surface water as a heat source and sink.
水源热泵是一种利用地下浅层水资源(地表水或地下水)，既可供暖又可制冷的高效节能热泵系统。
From look on the flexibility of use, to the north of the Changjiang River regions, mainly in the central heating, and the heat source is mainly composed of a power plant burning coal.
从使用灵活性上看，长江以北的地区，主要以集中供暖为主，而热能来源主要由热电厂燃烧煤炭产生。
Usually, in order to solve cab or train cars during the winter, often for the heat engine cooling water, or for separate heat source to use for heating.
通常，为解决汽车驾驶室或车厢冬季取暖，往往以发动机冷却水为热源，或单独设立热源来供取暖器使用。
Usually, in order to solve cab or train cars during the winter, often for the heat engine cooling water, or for separate heat source to use for heating.
通常，为解决汽车驾驶室或车厢冬季取暖，往往以发动机冷却水为热源，或单独设立热源来供取暖器使用。
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