Most keywords seem to be given a Quality Score of 7 initially, until Google calculates a value based on their performance.

大多数的关键词在初始化的时候都是7，直到Google通过它们的表现计算出相应的值以后，才会给关键词一个新的质量分。

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This customization approach allows the Texas-based travel site to gain efficiency by tweaking its campaigns in real-time based on their performance.

该定制技术使这家总部在德克萨斯州的旅游网站可以根据推广活动的效果来进行实时微调，从而提高其运作效率。

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This paper analyzes the factors affecting the accuracy of classifier, and designs three methods combining multi-classifier based on their performance on test corpus.

本文分析了影响分类器精度的因素，并提出了三种基于在测试例集上分类表现效果的多分类器融合方法。

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Through promotion and relegation, teams are transferred between divisions based on their performance that season.

FORBES: The Relegation of Big East and Big 12 Football

However, based on their performance thus far I am not convinced that industry is prepared for the fight.

FORBES: Can Industry Compete with SciFi Inspired Fear Campaigns?

The NFL coaches will conduct a detail breakdown of their in-game notes, but will mostly focus on the video of the game to create a coaching plan for each player based on their performance.

FORBES: Winning Feedback: Lessons For Managers from The NFL