名词
中文翻译：正加速度
同义词：
['positive velocity', 'positive speed例句：1. The car accelerated to a speed of 60 miles per hour.（汽车以每小时60英里的速度加速。）']
例句：
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1. The car accelerated to a speed of 60 miles per hour.
汽车以每小时60英里的速度加速。
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2.The train's positive acceleration is causing the passengers to feel dizzy.
火车的正加速度让乘客感到晕眩。
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3. The aircraft's positive acceleration is crucial for its stability.
飞机的正加速度对其稳定性至关重要。