Gmail has been on a steep, steady growth line while YouTube's fortunes have reversed a number of times.

Gmail访问量一直在迅速、稳定的上升，而YouTube的访问量却有好几次的负增长。

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If the call by the line-judge or overrule by the Umpire is deemed incorrect, the players challenge is successful, and the decision by the line-judge or Umpire is reversed.

如果司线员或裁判员的裁决确认有误，则运动员挑战“鹰眼”成功，裁判员应纠正错误裁决。

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Newton iterative calculation was adopted for the solution of non-line equation, which reversed calculation value of strip deformation resistance for process control of cold rolling as variable.

采用牛顿迭代法，对冷轧过程控制带钢变形抗力后计算值进行非线性求解。

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But Wednesday, Clinton reversed himself, pointing out that Republicans had used the same line of attack against him when he first ran for president.

CNN: Clinton praises Obama's readiness to lead