abstraction

• Filter of abstraction technics for turtleback
  龟甲的提取工艺筛选
• The idea of redness is an abstraction
  红色概念是一种抽象概念。
• The next - highest layer of abstraction is the
  下一个最高级抽象是
• Rather , both are functionally equivalent service abstractions
  两者在功能上都是等价的服务抽象。
• Let s look at the three key abstractions that ucm encompasses
  让我们看看ucm包括的三个关键抽象：
• Using the delegate as an abstraction ,
  在将委托用作抽象概念时，
• Base classes for implementing abstractions
  >用于实现抽象的基类
• Require a data abstraction , provided by the
  ）需要数据抽象（由
• It also has created conditions for in - depth information abstraction
  对以后信息深层提取也有好处。