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。
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。
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。
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