The change in direction of a propagating wave when passing from one medium to another.
传播中的波从一种介质传入另一种介质方向发生改变的现象。
Interaction between electromagnetic wave and plasma is the key of plasma stealth technique, and one of the important direction of aerospace information confrontation.
电磁波与等离子体相互作用是等离子体隐身技术的关键技术，也是空天信息对抗的重要研究方向。
Base on the analysis above, influences of vehicle-bridge caused by vehicle speed, running in one or two direction, various seismic loads and the seismic traveling wave effect are analyzed.
在此基础上分析了不同车速、单双向行车、不同地震波和考虑地震行波效应对车桥系统的影响。
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