It is very important to deeply study the formation and the dynamics of spiral wave.
因此深入研究螺旋波的形成及其动力学行为具有重要的意义。
The spatiotemporal dynamics of the spiral structure is measured for the luminous feature.
利用系统本身发光的特点，测量了螺旋波结构的时空动力学；
A method to improve the dynamic characteristics of gear system is proposed through the selection of spiral Angle of helical gear according to gear system dynamics theory.
以齿轮系统动力学理论为基础，提出了通过斜齿轮螺旋角的择优选取改善系统动态特性的方法。
Objective: To study the spiral wave dynamics in controlling ventricular fibrillation.
目的：探讨控制与消除心室颤动的方法。
Methods: The numerical simulation for controlling ventricular fibrillation in 2D cardiac excitable media was studied by spiral wave dynamics.
方法：利用旋波动力学的研究方法，对二维心脏系统施加周期驱动与有效驱动数值模拟心室颤动的控制和消除。
Based on the theory of chip dynamics and it's breaking foundation in the formation process of side-curl short-spiral chip, the critical depth-of-cut is formulated.
根据横向卷曲短螺卷屑形成过程中切屑动力学及其折断判据理论，得出了极限背吃刀量的理论预报公式；
Based on the theory of chip dynamics and it's breaking foundation in the formation process of side-curl short-spiral chip, the critical depth-of-cut is formulated.
根据横向卷曲短螺卷屑形成过程中切屑动力学及其折断判据理论，得出了极限背吃刀量的理论预报公式；
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