名词短语
中文翻译：速度
同义词：
['speed-torque relationship', 'speed-torque behavior']
例句：
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1. The car's speed-torque characteristic is crucial for its performance.
汽车的速度-扭矩特性对其性能至关重要。
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2. The design of the engine has a significant effect on the vehicle's speed-torque characteristic.
发动机的设计对车辆的速度-扭矩特性有显著影响。
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3. The optimization of the speed-torque characteristic can significantly improve the fuel efficiency of the vehicle.
优化速度-扭矩特性可以显著提高车辆的燃油效率。