动词短语
中文翻译：调整
同义词：
['adjustment', "fine-tuning例句：1. The car's engine needs a notch adjustment to reach its optimal performance.（这辆车的引擎需要调整才能达到最佳性能。）"]
例句：
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1. The car's engine needs a notch adjustment to reach its optimal performance.
这辆车的引擎需要调整才能达到最佳性能。
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2. The engineer made a notch adjustment to the gearbox to improve efficiency.
工程师对变速箱进行了调整，以提高效率。
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3. After the notch adjustment, the car's speed increased significantly.
调整后，汽车的速度显著提高。