After each run, she can sync her iPod to the Nike + Web site and get a visual representation of the workout-a single green line.

每次跑步之后，她可以将她的iPod同步到Nike +网站，并获得这次训练的直观表示——一条绿色单线。

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Magnetic core. Single or double line representation can be specified.

磁芯。可以指定单线或双线表示。

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Single or double line representation can be specified.

可以指定单线或双线表示。

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