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。