这个功能是很便捷的，假如你频繁的访问几个固定网站的话。

This feature is handy if you have several websites that you access often.

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为达到效率最大化，频繁访问的表区段应当越少越好。

For maximum efficiency, frequently accessed tables should have as few extents as possible.

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让我们来看看清单3中的示例，这是一个频繁访问的文件。

Let's look at an example of a frequently accessed file in Listing 3.

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