在爱尔兰，我们有一个对外公开的数据中心，此处的数据保留时间是2年。而德国规定的是6个月。
Ireland, where we have a publicly disclosed datacenter, says two years; Germany says six months.
删除任何早于这个时间的数据空值，或指定保留结果的期限。
Delete any data older than this time. NULL or the duration these results should be kept.
尽管DB 2PE的历史数据只保留较短的时间(几小时或几天)，但是一旦数据被保存在PWH中，这些数据便可在很长的时间内用于报告和趋势分析。
While the history data of DB2 PE is only retained for a short time (hours or days), once data is in the PWH, the data is available for reporting and trend analysis over much longer periods.
本研究使用了以前的国家数据，以此来探讨医生的招募、保留以及延长医生停留时间和鼓励医生开展非临床工作的激励措施。
Retrospective national data were employed to examine recruitment, retention and incentives provided to extend the length of stay and motivate non-clinical work.
您要使用一个数据库来保留应用程序中使用的数据(不过不会花费太多时间)。
You will use a database to persist the data used in the application (but won't spend too much time on that).
这个缓存层通过将数据保留一段时间(或者随即预先读取数据以便在需要是就可用)优化了对物理设备的访问。
This caching layer optimizes access to the physical devices by keeping data around for a short time (or speculatively read ahead so that the data is available when needed).
导入历史的数据：导入历史的统计数据是可能的，因为ITM是可控制的解决方案，其中随时间所观察的数据都保留在TivoliDataWarehouse中。
Importing historically: Importing historical statistical data is possible because ITM is a managed solution, where the data observed over time is persisted to the Tivoli data Warehouse.
压缩后的数据在时间上是均匀分布的，既保留了波形的形状，又可保证峰值点不丢失。
The data after compression is even distributed based on time, thus it can keep the waveform and guarantee the peak value not dropping out.
对用于分析步进应力加速寿命试验的累积损伤模型进行时间变换，保留模型对数据拟合的灵活性的同时简化了数学计算。
The time-transformation of the cumulative exposure model used to analyze step-stress accelerated life testing simplifies the mathematical mode without sacrificing flexibility for fitting data.
谷歌表示，它将会继续运营谷歌健康服务一直到2012年1月1日，以保留充足时间允许用户能处理他们的健康信息数据。
Google says that it will continue to operate Google Health until January 1, 2012, will allow people to export their health data for an additional year beyond that.
在保留主动队列管理算法RED算法优点的基础上，引入了时间相关判定因子，算法有效地丢弃时间相关的数据，减少冗余信息。
Rest on retaining the advantage of the red algorithm and introducing time relevance determination factor, this algorithm is effective to discard time-related data and reduce redundant information.
在保留主动队列管理算法RED算法优点的基础上，引入了时间相关判定因子，算法有效地丢弃时间相关的数据，减少冗余信息。
Rest on retaining the advantage of the red algorithm and introducing time relevance determination factor, this algorithm is effective to discard time-related data and reduce redundant information.
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