中央供暖系统不利于室内植物。
预测控制模型的应用可提高对地板辐射供暖系统的控制精度，使室内温度控制在设定范围内，保证了室内的热舒适性。
The application of the model can improve the control accuracy of radiant floor heating system, and control indoor temperature within a given range, thus ensure indoor thermal comfortableness.
发现此类供暖系统采用适当间歇运行即可满足室内热环境要求，运行时间主要受室外温度和内热源变化规律影响。
It is found the intermittent running is possible to meet the request of indoor environment, and the running time is decided by outdoor temperature and indoor heat source mainly.
本公司职员经验丰富，对于美国所有室内给排水设施、供暖系统和工业产品非常熟悉。
The company has an experienced staff that has a good knowledge of all American plumbing, heating and industrial supplies.
但是，仍然存在一些不尽人意的方面，给我们的生活带来了不便：1、冬天室内暖气不足，供暖系统需要进一步改进；
However, there are two unpleasant aspects that cause inconvenience to us: 1) the heating system is in need of improvement—it fails to maintain warmth in our rooms during the winter;
建立了低温热水地板辐射供暖系统间歇运行时室内热环境数学模型，利用模型计算了不同运行方式、内围护结构和内热源作用下室内热环境变化规律。
A mathematical model was established to study the indoor environment at different conditions of envelopes, indoor heat source and running mode with embed-pipe floor heating.
建立了低温热水地板辐射供暖系统间歇运行时室内热环境数学模型，利用模型计算了不同运行方式、内围护结构和内热源作用下室内热环境变化规律。
A mathematical model was established to study the indoor environment at different conditions of envelopes, indoor heat source and running mode with embed-pipe floor heating.
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