At the top of the file, preload the years and countries arrays with the years, and the list of countries and their literacy values.

在文件顶端，为years和countries数组预先加载年份、国家列表及其扫盲值。

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Then the mechanism of the preload of file , which can improve system efficiency effectively , is also designed. The law and the concrete implementation of the principles are discussed.

文中还设计了能有效提高系统效率的文件预装载机制，讨论了这一机制的原理和具体实现。

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Then the mechanism of the preload of file, which can improve system efficiency effectively, is also designed. The law and the concrete implementation of the principles...

文中还设计了能有效提高系统效率的文件预装载机制，讨论了这一机制的原理和具体实现。

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