Exact response of damped linear vibrating systems to arbitrarily excitation is obtained according to theory of ordinary differential equations.
利用常微分方程组理论在较一般条件下求出了线性有阻尼多自由度振动系统对任意外激励的精确响应。
With the ordinary theory of Heat Exchange in physics this essay visualizes the essence of second-order homogenous linear partial differential equations.
本文利用物理学中常见的热传导理论，形象地阐释了二阶齐次线性偏微分方程的本质。
Based on netting theory, linear equations for the single spiral, spiral and hoop filament wound toroidal pressure vessel were obtained.
基于网络理论，得到了纤维单螺旋、螺旋加环向均衡型缠绕圆环压力容器的线型方程。
应用推荐