名词
中文翻译：齿轮换挡象限
同义词：
['gearing quadrant', 'gear shift quadrant例句：1. The engineer used the gear shifting quadrant to optimize the performance of the machine.（工程师利用齿轮换挡象限优化了机器的性能。）']
例句：
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1. The engineer used the gear shifting quadrant to optimize the performance of the machine.
工程师利用齿轮换挡象限优化了机器的性能。
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2. The car's gear shifting quadrant is designed to make driving more comfortable.
汽车的齿轮换挡象限设计用来使驾驶更加舒适。
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3.The engineer analyzed the data and found that the gear shifting quadrant had a significant impact on the system's efficiency.
工程师分析了数据，并发现齿轮换挡象限对系统效率有显著影响。