本文介绍了线性定常系统稳定性几何判据的原理及其计算机作图的实现。
This paper introduces the principle of geometric justification of stability in a linear ordinary system and realization of computer graphing.
裂纹几何尺寸是在结构的抗疲劳设计、疲劳断裂力学分析、断裂判据和疲劳断裂控制中非常重要的依据。
The crack size is crucial for structure fatigue design, fracture mechanics analysis, judgment criterion of fracture and fracture control.
从一个简单问题出发，引出关于磁场零值点的一个判据，该判据与载流系统的几何对称性有关。
A criterion of zero magnetic field point, which is related with the symmetry of current-carrying system, is derived from a simple problem.
应用推荐