directional antenna

• 指向天线,定向天线

directional antenna的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. an antenna that transmits or receives signals only in a narrow angle

directional antenna的用法和样例：

例句

1. A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
   无线方向探测器一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向