1. transformation diagram of super-cooled austenite 
   过冷奥氏体转变图
2. Joy transformed her face. 
   她高兴得脸色都变了。
3. cast iron consisting of graphite in a matrix of austenite. 
   含按奥氏体矩阵排列的石墨的铸铁。
4. steel that has enough nickel and chromium or manganese to retain austenite at atmospheric temperatures. 
   含有足量的镍和铬或锰以在大气温度下保持奥氏体的钢。
5. a nonmagnetic allotrope of iron that is the basis of austenite; stable between 906 and 1403 degrees centigrade. 
   无磁性的铁的同素异形体，奥氏体的主要成分，在摄氏度之间保持稳定。

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