However, case detection rates, after a period of acceleration, leveled off in 2007 at around 60% globally, short of WHO's goal of 70%.

然而，全球病例检出率在经历一个加速期后，于2007年平稳保持在60%左右，低于WHO设定目标70%。

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This model can well describe the variation of creep in the period of attenuation, steady period and period of acceleration. The validity of the model is verified by experimental data.

对蠕变模型计算结果和试验结果的比较表明，该模型能够很好的描述蠕变曲线中的初始衰减蠕变阶段、稳态蠕变阶段和加速蠕变阶段，证明了该模型的正确性和合理性。

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If the acceleration goes down, the period of oscillation goes up.

如果加速度减小，振荡周期变大。

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If there is any hope in the near future for an acceleration of political change, the period after the games will be one to watch.

ECONOMIST: China before the Olympics

If money growth continues its acceleration for a prolonged period it will finally trigger the beginning of the long awaited exit strategy of withdrawing reserves to offset the growth of the money expansion multiplier.

FORBES: Money Supply Growth Shows Stimulus Finally Getting Banks To Lend More