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。

youdao

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。

youdao