横斜坡
Adjust the gradient so the dark side is on the bottom left.
调整梯度,使黑暗的一面是对左下角.
In partly-ducted axial flow fan system with bellmouth, blade tip vortex formed at blade leading edge is generated by pressure gradient between suction side and pressure side, it develops downstream and into flow passages as blades rotate.
含导风罩的部分管道式轴流风扇系统,在叶轮前缘由于吸力面和压力面压差产生叶尖涡,随叶轮旋转往下游和流道内部发展。
At the both side of the gravitational gradient zone of Daxing'an Mountain-Taihang Mountain-Wuling Mountain, the basin has different geophysical characteristics, which is connected with the course of the tectogenesis and the isostatic adjustment.
以大兴安岭太行山武陵山重力梯级带为界,两侧盆地具有不同的地球物理特征,这些特征与构造运动、均衡调整过程有关。
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