This paper introduces the thermal physical and mechanical properties of Al, Be, Ni, SiC and several types of optical glass, as common space mirror materials, at different temperatures, compares the difference, advantages and disadvantages of these materials ,discusses how to choose space mirror material and the factors needed considering.
详细介绍了在不同温度下金属铝、金属铍、金属镍、碳化硅和几种光学玻璃等常用空间反射镜材料的热物理性能和机械性能,比较了各种材料性能之间的差异和利弊,讨论了确定空间反射镜材料的步骤以及需要考虑的相关因素。
Stylists are seeking for a new art of three-dimensional structure, in which they can shape the dress by applying the material to human body or dress forms.
将立体构成的形式应用在立体裁制教学中可从两方面入手:一为服装材料与人体在空间的立体构成关系,二为服装材料之间的局部立体构成关系。