fan beam【通信】;fanning beam【通信】
定向天线
beam antenna【电讯】;directional antenna【电讯】;directive antenna【电讯】
暂无补充释义。
相关词条
precast beam floor
dual beam laser diode
cross beam
light-beam instrument
beam sourse
information presentation by tracing a light beam on a screen
multiple beam lateral-shear interferometer