扩张角的增加可提高速度环量，但是流动混合损失增加，总压恢复系数减小。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
导出了二维浅水流动的涡动方程与速度环量的随体导数表达式，以此为基础，分析了二维浅水流动中旋涡的动力学性质；
The vorticity equation was first established and the characteristics of vortex motion in two-dimensional shallow-water flows was analyzed, and then discrete vortex method (DVM) was briefly described.
总的来说，十月份进口量增长速度极为惊人，同比增长28.7%，环比增长20.9%，远远超过了九月份进口量。
Over all, imports rose a surprising 28.7 percent, compared with levels a year ago, far surpassing an increase in September of 20.9 percent.
本文介绍一种具有速度显示，环缝搭接量精密控制的高精度焊接工作台。
The high Precision welding bench with speed display and control of girth lap behavior are described.
给出了机翼—挂架组合体的速度场，环量分布和外挂表面的压强分布。
The speed fields and circulation distribution of wing-pylon combination, and the surface pressure distributions of the stores are given.
本文从旋翼的广义经典涡流理论出发，通过环量对诱导速度的贡献的简化处理，推导出旋翼诱导速度的二阶分布。
In this paper, firstly, relations of first two harmonic induced velocities to the lower and same-order harmonic circulations are obtained from the generalized classical vortex theory of the rotor.
用速度梯度、压力梯度和环量梯度模拟大攻角尖前缘三角翼流场。
Velocity gradient, pressure gradient and circulation gradient are used to model the separated vortex flow field over a leading edge delta wing.
用速度梯度、压力梯度和环量梯度模拟大攻角尖前缘三角翼流场。
Velocity gradient, pressure gradient and circulation gradient are used to model the separated vortex flow field over a leading edge delta wing.
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