amelioration
短語詞組
- land amelioration 土地改良
- continuous amelioration 持續(xù)改進
- grassland amelioration 草地改良
- amelioration design 改進設計
- quality amelioration 質(zhì)量改進
- amelioration operator 改進算子
- amelioration efficiency 改良效果
- amelioration degree 改善程度
- cultivational amelioration 耕作土壤改良 返回 amelioration