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1.The design of the blade profile plays a crucial role in the performance of the cutting tool.
刀片轮廓的设计对切削工具的性能起着至关重要的作用。
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2.The drag coefficient is an important factor that affects the efficiency of the vehicle.
阻力系数是影响车辆效率的一个重要因素。
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3. The blade profile was optimized to reduce the drag coefficient and increase the cutting speed.
通过优化刀片轮廓，降低了阻力系数并提高了切割速度。