名词
中文翻译：洪水速度
同义词：
['flood rate', 'flood velocity']
例句：
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1.The flood speed is increasing due to the heavy rainfall.
由于大雨，洪水速度正在增加。
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2.The flood speed is measured by the height of the water above the ground.
洪水速度是通过水淹没地面的高度来测量的。
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3. The flood speed is a critical factor in determining the safety of a community during a flood event.
洪水速度是决定社区在洪水事件中安全的关键因素。