When the heater is placed in the pot, kettle, etc. , it is placed in the focal spot, and the larger solar radiant energy density can be obtained.
把用热器放在锅、水壶等）放在焦斑处，就可以得到较大的太阳辐射能流密度，也就是说，在单位面积上可以得到较高的太阳辐射功率。
Passive heating and cooling with thermal mass and insulation, Geothermal, radiant cooling and heating along with solar and photovoltaic panels contribute to the house's energy efficiency.
采用保温隔热材料被动供暖和制冷，同时利用太阳能板和光电板采集地热能和光辐射能制冷与采暖，提高了房屋的能源效率。
The solar which is called radiant energy can be transformed to heat energy.
被称为辐射能的太阳能可以转换为热能。
The application of solar house and solar radiant floor heating in building energy saving is analyzed, and the solar utilization in foreign countries is introduced.
分析了太阳房及太阳能地板辐射采暖在建筑节能中的应用，介绍了国外对太阳能的利用。
The application of solar house and solar radiant floor heating in building energy saving is analyzed, and the solar utilization in foreign countries is introduced.
分析了太阳房及太阳能地板辐射采暖在建筑节能中的应用，介绍了国外对太阳能的利用。
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