abstractions

例句:

• Whiteness, roundness, and bravery are abstractions.
  "白" 、 "圆"和"勇敢"都是抽象概念.
  
• Capture high - level design and architecture as stable abstractions organized into stable package.
  采用高水平的设计和架构使包保持稳定.
  
• Then how do you know the abstractions are sound?
  那您如何知道您进行的抽象是合理的 呢 ?
  
• I am not sure what you meant by mathematical abstractions?
  来自SA
• But in another sense the brands are abstractions.
  来自NEWYORKER
• The phenomenon is visible in the tabular abstractions of opinion surveys.
  来自NEWYORKER