In the data world, the traditional approach to data management is largely about periodic cleaning. A better, policy-centric approach is data governance.
在数据世界里，数据管理的惯用方法基本上是定期清理。而一个更好的，以策略为中心的方法就是数据治理。
In the data world, the traditional approach to data management is largely about periodic cleaning.
在数据世界里，数据管理的惯用方法基本上是定期清理。
Management history data is saved to provide reference for different products cleaning.
储存管理历史数据为清洗不同产品提供参考依据。
It first describes the data cleaning and data selection briefly, then discusses the data preprocessing and data representation as detail as possible, at last, introduces the data set management.
首先简要介绍数据清洗与选择的基本方法，然后详细论述数据预处理、数据表示和数据集管理等方面的问题。
LFS data structure, disk layout, free space management, access mechanism and segment cleaning mechanism were summarized.
本文综述了LFS的数据结构和磁盘布局，及空闲空间管理、读写机制、段清洁机制与策略等。
The last is lack of management of metadata, so the users cann't analyse or adjust the data cleaning processes.
缺少元数据管理，用户很难分析和逐步调整数据清洗过程。
It can real-timely record and display the process while cleaning tooth, achieve the digital management on medical treatment data.
系统能实时记录、显示洁牙过程，实现医疗资料的数字化管理。
It can real-timely record and display the process while cleaning tooth, achieve the digital management on medical treatment data.
系统能实时记录、显示洁牙过程，实现医疗资料的数字化管理。
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