The retention of data in a storage device.

数据保存在存储设备中的现象。

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Thus, to meet the regulatory requirements for data retention with minimum expenditure, the organizations are trying to store more amount of data at the lowest possible cost.

因此，为了能以最小的代价满足保存数据的规定要求，这些组织都试着以最低的成本保留最多的数据。

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New principles for an age of big data sets will need to cover six broad areas: privacy, security, retention, processing, ownership and the integrity of information.

对于大数据集时代的新原则需涵盖以下六个广泛的领域：隐私、安全、产权保持力、处理、拥有和信息的完整性。

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There are many creative ventures intended to support long term retention of data while still making that data accessible.

FORBES: Adventures in Archiving

They believe it is necessary to extend the retention of data to emails and internet traffic in order to combat serious crime, including terrorism.

BBC: Public consultation on 'web snooping' plans ends

Home Secretary Alan Johnson told the Commons that DNA profiles had had a "profound impact" in bringing criminals to justice, defending the retention of data even of people who were not convicted of a crime.

BBC: Crime and Security Bill