抛物线型分布
The results show that the radial distribution of particle velocities always becomes less uniform along the riser height and finally reaches a parabolic profile in the upper section.
结果表明:沿提升管轴向,颗粒速度径向分布不均匀性逐渐增加,并最终趋于较为稳定的抛物线分布;
Short parabolic profile. Six blades design.
短抛物线外型, 六刀翼设计.
Short parabolic profile. Four blades design.
短抛物线外型, 四刀翼设计.
The stealth effect of radar targets covered with parabolic profile inhomogeneous plasma is studied both in time-domain and frequency-domain.
对电子密度抛物线分布的不均匀非磁化等离子体覆盖雷达目标的隐身效果进行了时域和频域分析。
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