n.精炼,提纯,净化,改良品,细微的改良,极致,优雅,高贵的动作
All programs have bugs and need endless refinement.
所有的程序都有漏洞,都需要不断改进.
This particular model has a further refinement.
这一款式又有了进一步的改进。
A greater refinement of the categorization is possible.
进行更加精细的分类是可能的.