navigation mark positioning
常見例句
- Ramark, a navigation aid installed on coast or islands, is used with shipborne radar for navigation mark recognising, ship positioning and navigating.
雷達指向標是一種配合船用雷達使用的助航儀器，它主要安置于陸岸或島嶼，作為航標識別及定位、導航之用。 返回 navigation mark positioning