沿垂线 meaning in English
plumb line
Examples
- There are two patterns for vertical concentration distribution too
悬浮颗粒沿垂线的浓度分布类型也可以分为型和型。 - In the bed load layer , the stream - wise particle velocity profile follows the log - law , and the average is 8 . 2u *
在推移区内，颗粒的纵向速度沿垂线接近对数分布，平均运动速度为8 - The vertical distribution of particle concentration is nearly linear , and the concentration at the bottom is 3 times larger than that at the top , which indicates that ca , the reference concentration of suspended particles in einstein ' s equation , is larger
2u * ；颗粒的浓度沿垂线基本为线性分布，底部比上部大3倍左右，说明einstein取的悬移质参考浓度ca会有所偏大。 - The thesis " main studies and achievements are as follows : 1 . under the assumption of double - layer computational mode , the governing equations for the horizontal 2 - d stratified density current is derived by integrating the 3 - d fundamental equations along the flow depth . 2
在异重流双层计算模式下，从三维水沙基本方程出发，利用数学工具沿垂线积分，推导得出了平面二维异重流上、下两层水体的水沙运动基本方程。 - Through the flume experimental research , the velocity distribution formulas for rectangular open channel have been found , including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile , the means of ascertaining correlative coefficient have been given in this paper
摘要通过对明渠流速的水槽试验研究，建立了矩形断面明渠沿垂线流速的抛物线分布公式和横向平均流速的乘幂函数分布公式，同时给出了相关系数的确定方法。