名词
中文翻译：速度不稳定
同义词：
['acceleration instability', 'acceleration unstability', 'velocity instability']
例句：
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1. The car's speed instability caused the driver to lose control.
汽车的速度不稳定导致驾驶员失去控制。
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2. The aircraft's stability was compromised due to the sudden change in airspeed.
由于空气速度的突然变化，飞机的稳定性受到了影响。
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3. The project's progress was slowed by the lack of funding and technical instability.
由于缺乏资金和技术不稳定，项目的进展被放缓了。