lumped constant

例句：

1. 1. In the analysis of a system's behavior, lumped constants are used to represent the interactions between components.
   在分析系统行为时，使用集总常数来表示组件之间的相互作用。
2. 2. The lumped constant model is a simplified version of the differential equation that describes the motion of a particlein a continuous medium.
   集总常数模型是描述粒子在连续介质中运动的一种简化的微分方程。
3. 3.The lumped constant method is commonly used in engineering simulations to calculate the forces acting on an object due to external forces.
   集总常数方法在工程模拟中常用来计算物体因外部力作用而受到的力。