principal vibration frequency的意思|示意

Dynamic characteristics of collaborated system mainly include natural vibration frequency and principal mode, which is the base and precondition of dynamic analysis for collaborated system.

协作体系的动力特性主要包括体系的自振频率和主振型，它是协作体系结构动力分析的基础和前提。

The natural frequency and vibration mode are the principal modal parameters representing structure dynamic behavior as well as the important basis for evaluating bridge dynamic performance.

固有频率和振型是反映结构动力特性的主要模态参数，是评价桥梁动力性能的重要依据。

Compile a computer program to compute the dynamic characteristics of spindle. Each natural frequency and principal mode of vibration is obtained.

编制了辗环机主轴部件动态特性分析的计算机程序，求出各阶固有频率及其主振型。