The change in strength of cryogenic austenitic steel with temperature and alloying element content was studied. 研究了低温奥氏体钢的强度随温度及合金元素含量的变化规律。
The cryogenic vacuum chamber is the key part of the system, which provides a necessary environment for the cryogenic vacuum experiment of the optical element. 其中低温真空腔体是该系统中关键的装置,为光学元件的低温真空实验提供了必要的条件。