The equivalence principle and moment method are used to derive the expression of equivalent magnetic current in the main cavityexcited by the plane wave in the half-space.
利用等效原理和矩量法导出了由半空间中平面波在主谐振腔中激励的等效磁流的表达式；
2
Beam longitudinal instabilities excited by the beam cavity interaction are one of the most important instabilities in the high energy electron accelerators.
束腔相互作用激发的束流不稳定性是目前高能电子加速器上最重要的不稳定性之一。
3
When acute anoxia, the skin, the abdominal cavity internal organs nerve is excited, shrinks the blood vessel function to get the advantage, therefore vasoconstriction;