英德
有道
百度
谷歌
图片
维基
百科
速度环量
circulation
- 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.
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