velocity distribution的用法和樣例：
例句
- "A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是個比喻的說法，而"甜咖啡"則不是。 - Where the speed distribution is skew, it's better to quote the median speed.
在速度分佈是扭曲的情況下，最好用中值速度。 - The calculated three-dimensional velocity distribution of impeller discharge flow basicly meets the experiment results.
計算所得的槳葉排出流的三維速度分佈與實驗結果大體一致。
