functional keyn.功能键functionaladj.功能的；实用的；起作用的n.【数】泛函functional compound fertilizer功能性复混肥functional graft survival time移植物功能存活时间Functional Analysis and Design功能分析functional instruction address操作指令地址functional constituency system功能界别制度functionality powder materials功能性粉体材料functional separable solutions分离变量解functionally graded materials'functionally gradient material功能递变材料functional cardiovascular test心血管功能试验