The major reason of the formation of quench cracks is the contamination of oxygen in the early processing or unsuitable quench cooling rate during heat treatment.
基于两种机制的提出,可以较好地说明影响淬火裂纹形成的主要原因是氧的污染和不适宜的淬火冷却速度。
Almost any data consolidation scenario with tasks (such as joins, merges, filtering, and aggregations) that can reduce input data early in the data flow can benefit from T-ETL processing.
凡是具有能在数据流早期减少输入数据的作业(例如连接、合并、过滤和聚合)的数据整合场景,几乎都能从t - ETL处理中受益。
'It's not that easy for archaeologists to pin down how food processing worked in these early stages, but some of these artefacts can give us a good insight into it.'
对于考古学家来说,精确地找出在这些人类早期阶段食品加工究竟是怎么样的,可不是一件轻松活;不过有些文物可以给我们提供一向很好的启示。
应用推荐