这一次，让我们探究第三种尤为有效的性能增强因素。

This time, let's explore a third and especially effective performance enhancer.

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相关度改进：使用距离作为记录中的增强因素，同时允许其他因素发挥作用。

Relevancy enhancement: Use the distance as a boost factor in the score while allowing other factors to play a role too.

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所有这些因素对于增强我们的智力很有帮助。

All of these factors contribute significantly towards increases in our brainpower.

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