navigation mark positioning
常见例句
- Ramark, a navigation aid installed on coast or islands, is used with shipborne radar for navigation mark recognising, ship positioning and navigating.
雷达指向标是一种配合船用雷达使用的助航仪器，它主要安置于陆岸或岛屿，作为航标识别及定位、导航之用。 返回 navigation mark positioning