1·Three:they are hardening, temper and anneal.
三个过程：它们是淬火、回火和退火。
2·In view of the similarities between data clustering analysis and optimization questions, this paper deals with data clustering analysis by using simulation anneal algorithms.
本文针对数据聚类分析和最优化问题的相似点，用模拟退火算法进行聚类分析。
3·Reducing annealing furnace: The furnace is used to anneal and reduce cold rolled carbon steels.
还原退火炉：炉子用于冷轧低碳钢的还原退火。
4·Three. They are hardening, temper and anneal.
三种。它们是淬火、回火和退火。
5·Three . They are hardening, temper and anneal .
三种。 它们是淬火、回火和退火。