方位距离计算机
bearing distance computer
方位-距离计算机
bearing-distance computer
高[度]方[位]距[离]位[置]指示器
height-azimuth-range-position indicator (HARPI
高度方位距离位置显示器
height azimuth-range position indicator
方位、距离、船首向指示器
bearing distance heading indicator
方位距离定位
fixing by bearing and distance
方位距离航海
rho-theta navigation
omnibearing-distance navigation
方位距离指示器
bearing and range indicator
bearing distance indicator