英语语法分析

An example of finding optimal damped ratio in second order underdamped control system is given.

以二阶欠阻尼控制系统的设计为例，优化出系统的最佳阻尼比。

The theoretical models for slug test include exponential decay model, underdamped model and nonlinear model.

斯拉格试验理论模型包括指数衰减模型、欠阻尼衰减模型和非线性模型。

We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics.

本文从一个由加性噪声和乘性噪声驱动的朗之万方程出发，研究了欠阻尼动力学系统涨落势垒作用下的扩散性质。