告げるichi1 news1 nf20; 測標測量法の、 そくりょうほうの(そくひょう)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; てん標River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 視準(しぢゅん)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 対空標識写測、 しゃそくRiver and Water Resources Glossary (Infrastructure Development Institute Japan)