The incline jet axis and strengthened convergence happen earlier than the rainfall does.
高空急流轴倾斜以及急流出口区右侧强辐散场的出现要早于暴雨的发生。
A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.
以动量守恒原理为基础，建立了侧吹射流轴轨迹的数学模型。
The tangential velocity distribution measured in this study is similar to a vortex core existing along the jet axis.
旋转射流的切向速度分布相当于射流中存在一个旋转的涡核。
According to the different motor ignition states, a series of total pressure values of observed points on the respective jet axis distances was measured.
针对不同的发动机点火状态，在射流轴线的不同距离上对一系列测点位置的总压参数进行了测量。
According to the different motor ignition states, a series of total pressure values of observed points on the respective jet axis distances was measured.
针对不同的发动机点火状态，在射流轴线的不同距离上对一系列测点位置的总压参数进行了测量。
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