Control是一个抽象类。
Widget是一个抽象类。
Shape是一个抽象类。
An abstract class is good as well.
抽象类的方式也很好。
Item是一个抽象类。
No data entry directly USES an abstract class.
没有数据条目会直接使用抽象类。
Things get a little trickier when we query an abstract class.
当我们查询抽象类时，事情变得有些复杂。
The Quantification abstract class is a special case, in a way.
在某种程度上， Quantification抽象类是个特殊的例子。
Response is an abstract class that represents an HTTP response.
Response是个抽象类，代表了HTTP响应。
A ListEditor is an abstract class that represents a list of data.
ListEditor是一个抽象类，表示一个数据列表。
The Configuration class is simply a base class — an abstract class.
configuration类只是一个基类——一个抽象类。
An abstract class that represents the location where index files are stored.
表示索引文件存储位置的抽象类。
Suppose you have an abstract class Vehicle, defined as follows in Listing 5.
假设您有一个名为vehicle的抽象类，其定义如清单5所示。
In this case, you can modify just the abstract class and the code will compile.
在这种情况下，您仅需修改抽象类，代码将完成编译。
It provides an abstract class which must be subclassed to create portlets.
它提供了抽象子类来创建portlet。
In fact, an abstract class gives you more flexibility when it comes to evolution.
实际上，抽象类在具体实现时提供了更好的灵活性。
Notice that an abstract class is denoted by italicized text, as are abstract methods.
注意，抽象类和抽象方法用斜体表示。
Create an abstract class named BP3Form by extending org.apache.struts.action.ActionForm.
通过扩展org . apache . struts. action . ActionForm创建一个名为BP3Form的抽象类。
You can declare standard and abstract methods in an abstract class, as shown in Listing 5.
可以在抽象类中声明标准和抽象方法，如清单5所示。
However, unlike an abstract class, a mixin does not try to contain the framework for a child.
然而，与抽象类不同的是，mixin并不试图包括子类的框架。
The same could have been accomplished by adding a special abstract class with empty callbacks.
通过添加带有空回调的特定抽象类同样可以完成该操作。
In this case, we use an abstract class to define the service specification, as shown in Figure 5.
在这种情况下，我们使用一个抽象类来定义服务规范，如图5所示。
The top level object is the Order, an abstract class that is inherited by FoodOrder and BoxOrder.
顶层对象是Order，是FoodOrder和BoxOrder继承的一个抽象类。
ValidationRule is an abstract class for a rule engine used to validate and format ViewController field content.
ValidationRule是规则引擎的抽象类，用来验证并格式化ViewController字段内容。
Figure 3 presents the SQL Model table objects, where table is an abstract class and can have one to many columns.
图3显示了SQLmodel表对象，其中Table是一个抽象类，它可以有1到多个列，或者0到多个用户定义类型。
This indicates that the BankAccount class is an abstract class and the withdrawal method is an abstract operation.
这表示，BankAccount类是一个抽象类，而withdrawal方法是抽象的操作。
BaseBridge, an abstract class, will contain all of the methods that you could conceivably implement in your connector.
BaseBridge是一个抽象类，包含在连接器中可能要实现的所有方法。
In the later framework, MD5 is defined as an abstract class which can be extended, but its implementation is not trivial.
在Silverlight 2的框架中，MD 5被定义为抽象类，可对其进行扩展，但实现起来非常繁琐。
Food order is another abstract class inherited by the three food types actual order classes: Doughnut, Pasty, and IcedBun.
而FoodOrder则是由这三种食品类型实际订单类(Doughnut、Pasty和IcedBun)继承的另一个抽象类。
Generate the tree structure of the abstract class diagram by selecting the Explore in Browse diagram from the context menu.
通过选择内容菜单中Explorein BrowseDiagram选项来产生抽象类图的树状结构。
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