biconical antenna
单极双锥天线
双锥形天线
双锥天线
双圆锥天线
双向传感器
双焦点的
active cable-mesh reflector
Active Reflector Adjustment System
anaberrational reflector telescope
Automobile Lamp Reflector
automobile’s light reflector
balloon-borne reflector
beam reflector aerial system
bottom reflector sleeve
Bottom-simulating reflector