介绍比较法振动传感器幅相特性测量技术的基本原理和传统实现方法。
The basic principles and characteristics of secondary vibration calibration method are described.
对于抗震分析方法的研究主要围绕时程分析法和随机振动分析法。
Research work of seismic analysis methods is focused on time history method and stochastic vibration method.
那么单摆在振动过程中，切向力、法向力及合力的大小和方向是否在变化?。
Do the tangential force, the mormal force, the resultant force and their directions during oscillation of a simple pendulum change?
应用推荐