new
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:
-
an antenna that transmits or receives signals only in a narrow angle
directional antenna的用法和样例：
例句
- 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
