The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.
结果显示，由于矩形形貌的影响，形成了压差阻力，压差阻力随形貌突起高度或密度的增加而增大，随突起占空比的增加而减小。
High gain and excellent front-o-back ratio so that UHF can be received consistently.
高增益和较大的前后比使UHF信号被极好地接收。
High gain and excellent front-o-back ratio so that UHF can be received consistently.
高增益和较大的前后比使UHF信号被极好地接收。
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