名词
中文翻译：无声换挡
同义词：
['silent shift', 'silent transmission', 'silent gear change']
例句：
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1. The car's engine has a silent gear change system that allows for smooth acceleration without any noise.
这辆车的引擎有一个无声换挡系统，可以让加速过程平稳无噪音。
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2.During the race, the driver used a silent gear change to gain an advantage over his competitors.
比赛中，驾驶员使用了一个无声换挡来超越竞争对手。
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3. The new technology in the car will allow for a silent gear change, making it more efficient and eco-friendly.
汽车中的新技术将允许无声换挡，使其更加高效和环保。