Introduced principle of NC, NC machine tools, NC simulation technology and common principle of the development of numerical control simulating system. 介绍了数控原理、数控机床、数控仿真技术以及数控仿真系统开发的原理及方法;
The common malfunctions and their obviation methods in numerical language lab system 数字语音室系统的常见故障及排除
Coupling and resolving hydrodynamic and water quality equation is the common method of water environmental numerical simulation. With the development of fuzzy theory 、 grey system theory and stochastic theory, the method of uncertainty is being applied in model calculation and water quality assessment. 耦合求解水动力、水质确定性模型是水环境数值模拟分析的常用方法,随着模糊理论、灰色系统理论和随机理论研究的不断深入,不确定性方法在模型计算和水质评价领域中得到了广泛应用。
The common numerical methods for solving eigenvalue, only consider the numerical accuracy, without ensuring the structure unchanged. A conservative system should be symplectic conservative. 常用的求解特征值的数值解法,只考虑数值精度,不考虑保证结构不变。