名词
中文翻译：速度参考
同义词：
['velocity reference', 'speed point', 'velocity reference point']
例句：
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1. The car's speed was measured at 60 miles per hour.
汽车的速度被测量为每小时60英里。
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2. The pilot used the speed reference to adjust his altitude.
飞行员使用速度参考来调整他的飞行高度。
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3. The scientist conducted experiments to measure the speed reference of the object.
科学家进行了实验，以测量该物体的速度参考。