refinementn.精致；文雅；改良；精炼；提炼refinement programming逐步求精程序设计refinement of additives添加剂细化refinement of structure组织细化refinement of knowledge知识的精练refinement of a covering覆盖的加细refinement in management精细化管理Refinement microstructure组织细化refinement and modification细化变质refinement of a normal chain正规链的加细refinement of crystal structure晶体结构的精化