級化作用River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 地均し(ぢ・ならし)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 地ならしConcrete Terminology Glossary (Gururaj Rao) ; 類別(ruibetsu)Life Science Dictionary (Shuji Kaneko) ; 平衡化River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 整地(せいち)River and Water Resources Glossary (Infrastructure Development Institute Japan)
grade A rank or category assigned to a material resource that denotes functional use but not level of quality. A low-grade resource is not necessarily a low-quality resource[greɪd]abbr.
