ylindrical Coordinates 3)=-2 Surface: Total energy dansity, tine average [/m] Arrow: Electric field Streamline: Electric field Max:1.302e12 5000Hz,R0.2m: 0.4m Epsilon=2 -2-1.8-1.6-1.4-1.2-1-0.8-0.6-0.4-0.200.20.40.60.81 Min:=2.312e-12Cylindrical Coordinates 5000Hz，R 0.2 m: 0.4m Epsilon=-2