hydrophysical law

例句：

1. 1.The study of the laws governing water flow is known as hydrophysics.
   研究水流规律的学科被称为水力学。
2. 2. The physics of fluids, including water, is called hydrodynamics.
   流体物理学，包括水在内，被称为水动力学。
3. 3.The hydrophysical law states that the speed of a moving object in a flowing medium is proportional to its mass and inversely proportional to its density.
   水力学定律指出，一个在流动介质中移动的物体的速度与其质量成正比，与其密度成反比。