利用改变点模型从纵向数据中找出加速点、前加速期下降速率和后加速期下降速率。

We estimated the time at which the rate of decline begins to accelerate (the change point), and the pre - and post-acceleration rates of decline, from the longitudinal data using a change point model.

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回答是加速机场建设热潮：计划在未来5年内新建45座民用机场，使全国机场总数在2015年前达到220个以上。

Accelerate the building spree with a plan to add 45 new commercial airports over the next five years, bringing the total across the country to more than 220 by 2015.

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前两个平台预览版本说明了文本、图像和矢量图形的硬件加速。

The first two platform previews demonstrated hardware acceleration of text, images, and vector graphics.

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And later on if you right before or right during you give the dog some food you--you ping a bell the bell will cause the saliva to come forth.

,在喂食前或者喂食过程中,你摇铃,铃声就会加速唾液的分泌。

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