frequently used data 常用资料
Most often, the goal of this migration is to offload less frequently-used data to less expensive external devices for long term storage.
在很多时候，此类移植的目标都是将不太常用的数据转储到更便宜的外部设备上进行长期存储。
Although used by more than one organization, they are not found as frequently as universal data elements.
尽管有多个组织使用这些元素，但是使用得不如通用数据元素那么频繁。
By allowing fast access to frequently used data, software can run much faster than if it had accessed the data from the main memory.
由于允许对频繁使用的数据进行快速存取，软件运行要比从主存储器中存取数据快得多。
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