The materials with metastable structures, e. G., nanostructure and supersaturated solid solutions, have unique physic, chemical and mechanical properties, and get extensive application in many fields.

具有纳米晶、过饱和固溶体等亚稳态结构的材料具有独特的物理、化学及机械性能，因而在诸多领域获得了广泛的应用。

youdao

This paper summarized the characteristics of physic mechanical properties of aerospace structural materials and the testing technique at cryogenic temperature conditions.

概述了航天结构材料在深低温条件下的力学、物理特性及深低温力学性能研究的内容和特点。

youdao

Both ZnO and CuO are applied on gas sensors, UV light detection, catalyst and electrode materials in batteries for their good physic properties, such as conductive, photoelectric and so on.

两者都具有良好的导电、光电和气敏等特性，被广泛应用在气敏传感器、紫外光探测仪、催化剂和电池领域的电极材料等方面。

youdao