本论文主要考虑在分布式环境下数据库记录增加后，全局频繁项目集的快速更新。
This paper focuses on the fast update for globally frequent item sets in distributed environment when the records in database increase.
该项技术是系统地从原料到后整理全局的考虑免烫整理技术，从而使经该项技术生产的产品各项技术指标更加先进。
The year output will reach to 2.5 million metres. 4. This technique has been considered systematically from the material to the last finishing and its all technical character will be more advanced.
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