名词
中文翻译：平均流速
同义词：
['average flow velocity', 'mean flow velocity']
例句：
-
1. Theriver's mean stream velocity is 2 meters per second.
这条河的平均流速是每秒2米。
-
2. The engineer calculated the mean stream velocity of the river.
工程师计算了河流的平均流速。
-
3. The mean stream velocity is a critical factor in determining flood risk.
平均流速是决定洪水风险的关键因素。