initial speed

The equilibrium sand transport is simulated by Lagrange model combined with the probabilistic distributions of initial speed and angle of ejection sand grain in this paper.

本文用Lagrange方法结合起跳沙粒初始运动状态分布模拟了稳态风沙输运过程。

互联网摘选

An ejection hook part at the lower edge of the fuselage can eject the aircraft model toy out to improve the initial speed.

机身头部下缘一弹射挂钩部位，可以将该飞机模型玩具弹射而出，提高初速度。

互联网摘选