Changing neither the length of overlapping gap nor the Angle of turning corner can assure the rise in shielding effectiveness, rather the specific changing trend is related to frequency range.
改变车身缝隙搭接部分的长度和拐角角度并不能保证提高其屏蔽效能，具体变化趋势与频率范围有关。
2
The wind dust-controlling wall dust-controlling effect or shielding effect depends on the characteristics of wind network flow length and speed.