The branch of science that deals with the dynamics of fluids, especially incompressible fluids, in motion.
流体力学关于流动的液体, 尤其是不可压缩的液体的动力的一个科学分支
The dynamics of bodies moving relative to gases, especially the interaction of moving objects with the atmosphere.
空气动力学相对于气体的物体移动, 特别是移动物体与大气相互作用的动力学
The dynamics of natural and human-made bodies in outer space.
航天动力学, 天体动力学将天然及人工天体推入外层空间的动力学
