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
Angular forms, outlines, or corners. 角形角形，角的轮廓或棱角
An angular face. 瘦削的脸庞
Angular distance is the distance between two objects measured as an angle from a given point. 角距离，是由一定点到两物体之间所量度的夹角。
