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。
• It also provides an abstraction on top of data storage and retrieval.
  它也提供一个抽象的顶端数据存储和检索。
• 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。
• In this way, it's less a kernel and more a hardware abstraction layer ( HAL).
  通过这种方式，它不像是一个内核而更像是一个硬件抽象层（HAL）。
• Virtualization as an abstraction from the physical platform creates a new opportunity for HA.
  作为物理平台上的一个抽象的虚拟化为HA创造了一个新的机遇。
• Farhana: As I understand, abstraction is the key, right?
  Farhana：我明白了，抽象是关键，对吗？
• 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。
• MDSD formalizes this idea of abstraction through the use of different levels of modeling and decomposition within a system.
  MDSD通过在一个系统中不同的建模和分解层级的使用，将这样一个抽象的想法形式化。
• Not without harming the code's readability and abstraction level.
  不行，这会损害代码的可读性和抽象层。
• This leaves a layer of abstraction between the content provider and the component requesting information ( for security).
  这留下了contentprovider和组件请求信息之间的抽象层（出于安全）。