abstraction

英 [æbˈstrækʃn]

美 [æbˈstrækʃn]

n.  抽象概念; 抽象; 出神; 心神专注; 提取; 抽取; 分离

复数：abstractions　

TOEFLIELTS化学

Collins.1 / BNC.7880 / COCA.8413

牛津词典

noun

• 抽象概念；抽象
  a general idea not based on any particular real person, thing or situation; the quality of being abstract
• 出神；心神专注
  the state of thinking deeply about sth and not paying attention to what is around you
• 提取；抽取；分离
  the action of removing sth from sth else; the process of being removed from sth else
  1. water abstraction from rivers
     从河流中抽取水

柯林斯词典

• N-VAR 抽象概念；抽象名称
  Anabstractionis a general idea rather than one relating to a particular object, person, or situation.
  1. Is it worth fighting a big war, in the name of an abstraction like sovereignty?
     在主权之类抽象概念的名义下打一场大战是否值得呢？
• N-UNCOUNT 出神；心不在焉
  Abstractionis the state of being very deep in thought.
  1. Andrew noticed her abstraction and asked, 'What's bothering you?'
     安德鲁注意到她在愣神，便问道：“你怎么啦？”
• （艺术的）抽象主义
  Abstractionis the use of shapes and patterns in art.

英英释义

noun

• a general concept formed by extracting common features from specific examples
  Synonym:abstract entity
• the act of withdrawing or removing something
• an abstract painting
• preoccupation with something to the exclusion of all else
  Synonym:abstractedness
• the process of formulating general concepts by abstracting common properties of instances
  Synonym:generalizationgeneralisation
• a concept or idea not associated with any specific instance
  1. he loved her only in the abstract--not in person
  Synonym:abstract

双语例句

• An abstraction layer encapsulates the data logic.
  一个抽象层封装了数据的逻辑。
• Three reasons for using data structures are efficiency, abstraction, and reusability.
  使用数据结构的三个原因是效率、抽象性和复用性。
• Establish a uniform and flexible abstraction and interoperable schema for defining digital items.
  为定义数字项而建立一个统一，灵活的抽象表示和可互操作的模式。
• Data source abstraction: Data services abstract the sources of physical data from consumers.
  数据源的抽象：数据服务将消费者和物理数据源隔离了开来。
• It describes the realization of the SOA and acts as an abstraction of the implementation ( including code).
  它描述了SOA的实现，是对实现（包括代码）的抽象。
• Mathematics have height of abstraction, generally with tight logic.
  数学具有高度的抽象性、概括性和严密的逻辑性。
• Instantiation is the process of creating a concrete object from the class abstraction.
  实例化是从抽象类中创建具体对象的方法。
• MDA/ D further elevates the levels of abstraction and reuse.
  MDA/D进一步提高了抽象和重用的级别。
• The goals of OOP are to provide data abstraction, modularity, encapsulation, polymorphism, and inheritance.
  OOP的目标就是提供数据抽象、模块化、封装、多态性和继承。
• Is it worth fighting a big war, in the name of an abstraction like sovereignty?
  在主权之类抽象概念的名义下打一场大战是否值得呢？