降低了运行时存储要求。

Reduced runtime storage requirement.

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这样做的缺点是数据存储要求很多时间和工作量建立正确的索引。

The drawback to this is that the data storage requires that you spend a lot of time and effort doing proper indexing.

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SAN是管理不断增长的存储要求的一种更为专门化的、可替代的策略。

A SAN is a more specialized, alternative strategy for managing growing storage requirements.

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