In recent years, scholars and research institutions in domestic and abroad pay more and more attention on vacuum solar collector tube because of its good thermalinsulatingproperty.
太阳能真空集热管以其良好的集热和保温特性，近年来得到国内外众多学者和研究机构的广泛关注。
2
Thermal manikin is an important equipment of the research of clothing comfort. The insulating value of surface of the manikin is a main index for evaluating the property of the manikin.