发射天线;
He extended the arm attached to one of the metal balls of the transmitting instrument into an elevated aerial and connected the second arm to earth.
他将连接传导装置的一个金属球上的臂改装成高架式的天线,让另外一只臂接地安装。
On Calculation of Azimuth and Angle of Elevation of the Aerial for the Geostationary Satellite Receiver Removal of Azimuth Ambiguities with Bi-satellite by Multiple Transmitting and Multiple Receiving
关于静止卫星通信接收地面站方位角、仰角的计算双星同中心频率多发多收的方位解模糊
纳米英语 · 双语娱乐资讯
纳米英语 · 英语口语