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1. The car has a stepless transmission, which allows for smoother acceleration and better fuel efficiency.
这辆车配备了无级变速器，使得加速更加平顺，燃油效率更高。
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2. In the manufacturing industry, stepless transmissions are used to reduce vibration and noise during heavy machinery operation.
在制造业中，无级变速器被用于减少重型机械操作时的振动和噪音。
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3. The engineer designed a stepless transmission system that can adapt to different driving conditions without compromising performance.
这位工程师设计了一种无级变速器系统，该系统可以根据不同的驾驶条件进行调整，而不会牺牲性能。