The core of the tip vortex moves from the suction surface to the pressure surface along the direction of the flow.
间隙涡涡核沿流动方向由吸力面侧逐渐向压力面侧移动。

Research on The Axial Direction Distribution Regularities of Emerging Object with Axial Flow Threshing Installation
轴流式脱粒装置脱出物沿滚筒轴向分布规律研究

The Influence of Wind Direction upon Flow along the West Coast of Britain and in the North Channel of the Irish Sea
风向对沿英国西海岸水流和爱尔兰海北海峡的影响

A study on Revision of flying direction to overcome deviation flow to improve the quality of aerial sowing in afforestation
修正航向克服偏流提高飞播造林质量的探讨

Direction characteristics of tunable energy flow of linear and nonlinear magnetostatic surface waves on ferromagnetic films
线性和非线性静磁表面波能流的受控偏转特性

Multiple flow direction algorithms are more suitable than the single flow direction algorithms for simulating overland flow.
多流向算法比单流向算法更加适合模拟坡面漫流。

The secondary flow in river bends has significant effects on flow velocity and sediment concentration distribution in the transverse direction.
弯道环流是影响断面流速和含沙量分布的重要因素。

In east pacific, however, the subduction direction of the subducting plate is the same as that of the flow of the mantle, so the current dip angle of the Benioff zone will be larger than the initial dip angle.
对地幔而言 则是地幔相对于地壳的东向流动。