The melody of the story won't be so euphonious and undulatory.

故事的旋律不会如此悠扬跌宕。

The distribution of the maximum depth of undulatory wears on the rails under the 4 wheels of the same bogie is different;

同一个转向 架4个车轮作用下形成的钢轨波磨最大深度波谷的分布是不同的；

To realize the undulatory control of the flexible fin, a locomotory model is analyzed and a distributed control structure is designed.

针对柔性长鳍特有的 波动控制问题，本文分析了柔性长鳍的运动模型，并设计了一种分布式控制系统结构。

It combines the fuzzy controller and the self-adaptive unit, achieving the undulatory control of the flexible fin in uncertain environments.

它将模糊控制器和自适应单元相结合，解决了不确定环境下柔性长鳍的波动控制问题。

In the foundation of cycle undulatory theory, the booming theory founded the booming index, using it to monitor the influence of macroscopic economy by cyclical undulation.

而景气理论则是在周期波动理论的基础上，构建景气指数来监测宏观经济受经济周期波动的影响。

Employing the fundamental principle of linear filter model, an improved simulation method is developed based on a high-order filter model for randomly undulatory sea surface.

根据线性滤波器模型的基本原理，提出了一种改进的基于高阶滤波器的随机起伏海面仿真方法。

According to inertia principle, rail undulatory wear inspection system adopts analog digital composite filtering method to process data and eliminates the speed influence on measurement results.

钢轨波磨检测系统根据惯性测量原理，采用模拟—数字混合滤波的数据处理方法，消除了速度对检测结果的影响。