velocity distribution的用法和样例：
例句
- "A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是个比喻的说法，而"甜咖啡"则不是。 - Where the speed distribution is skew, it's better to quote the median speed.
在速度分布是扭曲的情况下，最好用中值速度。 - The calculated three-dimensional velocity distribution of impeller discharge flow basicly meets the experiment results.
计算所得的桨叶排出流的三维速度分布与实验结果大体一致。
