您要查找的是不是：
- What is an abstraction layer? 什么叫抽象层?
- Essentially,a theory is an abstract,symbolic representation of what is conceived to be reality. 理论在本质上是对认识了的现实的一种抽象和符号化的表达。
- Essentially,a theory is an abstract ,symbolical reprensentation of what is conceived to a reality. 从本质上不讲，理论是对事物真相的抽象的，符号化的概括。
- Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.? 理论在本质上是对认识了的现实的一种抽象和符号化的表达。?
- Essentiallg a theory is an abstract, symbolic representation of what is conceived toke reality. 理论在本质上是对认识了的现实的一种抽象和符号化的表达。
- Essentially, a theory is an abstract, symbolic representation of what is concieved to be reality. 理论本质上是抽象了的、象征性的表示方法，是对现实的反映。
- Essentially, a t_ory is an abstract, symbolic representation of what is conceived to be reality. 理论在本质上是对认识了的现实的一种抽象和符号化的表达。
- Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality. 理论在本质上是对认识了的现实的一种抽象和符号化的表达。
- The idea of redness is an abstraction. 红色概念是一种抽象概念。
- Is an abstraction of a GUI event. 是GUI事件的抽象。
- My disease is an asthma and a dropout and, what is less curable, seventy- five. 我的病是气喘和水肿，还有无可救药的是七十五(岁)。
- This class is an abstract base class. 此类是一个抽象基类。
- What is an anticodon, and what is its function? 什麽是反密码子,功能为?
- A class is an abstract definition of an object. 类是对象的抽象定义。
- It is an abstract idea: a mere form of words. 它仅仅是一个抽象概念，空洞字眼儿。
- Is an abstraction of any service the TCF client needs. 是TCF客户机需要的任何服务的抽象。
- WHAT IS AN INSTRUMENTATION AMPLIFIER? 什么是仪表放大器?
- Q: What is an abstract class? 什么是一个抽象类?
- Astronomy is an abstract subject. 天文学是一门深奥的学科。
- What is an Exchange Server e-mail account? 什么是Exchange Server电子邮件帐户?
