But on the running track and in the swimming pool, where the United States is traditionally strong, there has been less success.

但是在田径项目和游泳项目上仍居是美国的天下。

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The other important task of an administrator is to keep a track of the processes running on the system and manage them.

管理员的另一项重要的任务是跟踪系统上运行的进程，并管理它们。

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The running speed (on a running machine in laboratory conditions or on the track) accelerates progressively, by successive levels.

跑步速度需要连续地增加（在实验室的跑步机或在跑道上）。

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We'd been given permission from President Kagame's office to park the truck on the running track, but the message hadn't filtered down to a very annoyed head of security at the ground.

BBC: About BBC News | This is BBC News | Here's one I made earlier

As for politics, the Olympics was nothing if not a pageant of parochial hatreds and city-state rivalries, often laced with class antagonism, where oligarchic states like Sparta clashed on the running track with democracies like Athens.

WSJ: The Ancient Olympics: Mud, Sex, Hymns...Sports Too

Rookie Spies again turned on the style after running off track on the second lap.

BBC: Matt Roberts MotoGP column