Could be running, cross trainer, aerobics, stretching, sit ups, swimming, kungfu or whichever exercise you prefer.

可以是跑步，利用健身器材，健美操，伸展运动，仰卧起坐，游泳，武术，或是任何你喜欢的运动。

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An actual elliptical cross trainer is tested to verify the feasibility of design criterions described in this paper.

同时进行了椭圆机实例的测试和分析，对上述准则进行了验证。

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This machine is sometimes known as a cross-trainer.

这种器械有时还被称作全功能锻炼机。

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