1、[数]泛函
论文网-泛函极值与变分所谓泛函（Functional）就是函数的函数 不同的函数u对应不同的J值若要寻求某函数u使泛函取极值这就是泛函的极值问题下面举一个简单的例子
2、功能说明
...l Length):17厘米(CM) 牙齿(Teeth):28 打薄量(Thinning rate):25% 配件清单(Parts List):沙宣牙剪(简包装) 功能说明(Functional):剪刀带有“VS”标志，剪刀外观大气，手感舒适，人见人爱。
3、功能
2、功能（Functional）：将不同土地使用与活动，整合到一种策略之中，并使其产生互动連结功能，例如住宅、交通、经济发展、环境永续等。
4、功能性
功能性（Functional）：功能性架构分析方法着眼于架构的功能方面。此种类型的方法可被用于判断系统与架构内容是否相符、了解变更对于架构所带来的影响...
Functional Programming函数编程语言;函数式编程;函数程式语言;函数型程序设计
Functional requirement[计] 功能需求;[计] 功能要求;功能性需求;职能要求
functional genomics功能基因组学;基因组;功能基因
linear functional[数] 线性泛函;线性泛函数
Functional derivative泛函导数;泛函微分;函数导数;函数微商
Functional Writing英语写作课程;训练思维的写作;写作教程;实用书写
Functional Dependency函数依赖;描述表中列之间的关系;函数相关性
functional unit功能单元;功能元件
functional efficiency职能效率;机能效率;功能效率;本能机能效果
functional [ 'fʌŋkʃənl ]
adj. designed for or capable of a particular function or use"a style of writing in which every word is functional"; " functional architecture"
involving or affecting function rather than physiology"functional deafness"
relating to or based on function especially as opposed to structure"the problem now is not a constitutional one"; " it is a functional one"; " delegates elected on a functional rather than a geographical basis"
fit or ready for use or service"the toaster was still functional even after being dropped"
同义词：usableuseablein working order(p)operableoperational
designed for or adapted to a function or use"functional education selects knowledge that is concrete and usable rather than abstract and theoretical"; " functional architecture"
(of e.g. a machine) performing or capable of performing"a functional set of brakes"
同义词：running(a)operativeworking(a)