こうろひょうしき
航路標識
1. sea mark; seamark; beacon
2. Sea markA sea mark, also seamark and navigation mark, is a form of aid to navigation and pilotage aid which identifies the approximate position of a maritime channel, hazard and administrative area to allow boats, ships and seaplanes to navigate safely.
Read “Sea mark” on English Wikipedia
Read “航路標識” on Japanese Wikipedia
Read “Sea mark” on DBpedia
Read “Sea mark” on English Wikipedia
Read “航路標識” on Japanese Wikipedia
Read “Sea mark” on DBpedia
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