It is different from traditional concept that the concept dynamicroughness includes influence of model error, truncation error, observation error and so on.
此时的糙率与传统的概念有明显的不同，它包含了模型误差，截断误差，观测误差等各方面的综合影响。
2
The application of on-line surface roughness measurement technique on dynamic micro-wear study is introduced in this paper.
本文叙述了在线表面粗糙度检测技术在动态微磨损研究中的应用。
3
The effects of stator and rotor wall roughness on the dynamic coefficients of the eccentric rotor in large gap annular flow have been investigated with numerical method.