纯方位定位
Bearing-only location
bearing only location
bearings-only location
bearing-only locating
bearing-only positioning
bearings-only localization
方位定位
Cross bearing positioning
恒向线方位
Mercatorial bearing
rhumb line bearing {= RLB
角平分线方向向量
direction vector of angle bisector lines
最佳定向方向
optimal oriented direction
车载定位定向导航系统
vehicle-mounted navigation system for location and orientation