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 thermal insulating property.

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。

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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.

暖体假人是研究服装舒适性的一个重要设备，表面空气隔热值是评价其性能的主要指标之一。

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