The numericalequation about regulating valves resistance and discharge characteristics is established according to their relation.
根据调节阀阻力特性和流量特性的定义，建立了二者之间的数值关系方程。
2
It is briefly introduced that three-dimensional finite difference numericalequation is built according to Darcy's law and water equilibrium principle.
又简介根据达西定律和水均衡原理，建立了三维有限差分数值方程及其解法。
3
Objective to simplify the structures of human upper extremity into a two rigid-body system by establishing a dynamic model based on a numericalequation approach.