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(dá)指曏標(biāo)是一種配郃船用雷達(dá)使用的助航儀器，它主要安置於陸岸或島嶼，作爲(wèi)航標(biāo)識別及定位、導(dǎo)航之用。 返回 navigation mark positioning