Most of it went in 90 minutes, at a rate that at its maximum was faster than the averageflow of the Niagara Falls.
它大部分是在90分钟内消失的,它的速度的最大值比尼亚加拉瀑布的平均流速还快。
2
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.