但是在620天的时间里开动了三个引擎之一——再积累每天60英里——曙光号就已达当前的天文速度，而且没有减速的计划。

But by firing its three ion engines one at a time over 620 days — accumulating another 60 miles per each day — Dawn has reached its current astronomical speed and has no plans of slowing down.

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而水位异常图像出现的上升或下降形态，取决于井孔含水层系统在大震孕育过程的应力调整再积累阶段所处的构造部位。

However, decline or rise of water level anomaly depends on the tectonic position where the well aquifer lies in the process of stress regulation and re accumulation.

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他建议那些立志进入公务员队伍的毕业生首先应该积累一些工作经验后再报考公务员。

He suggested that graduates who want to become civil servants should first get work experience before they apply to the civil service.

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