充実ichi1 news1 nf04(じゅうぢつ); 利得(ritoku)Legal Terminology Glossary (University of Washington/Japanese Cabinet Secretariat) ; 濃縮度(のうしゅくど)Engineering and Science Technical Dictionary (James Friend) ; 富栄養化(ふえいようか)River and Water Resources Glossary (Infrastructure Development Institute Japan)
