在某些情况下，业务对象模型将演化成系统类。
In some cases, the business object model evolved into system classes.
对于每一类角色，我都想尝试一下。
在大多数情况下，您将为一个类别使用被提供的类。
In almost all situations, you will use the supplied class for a category.
有一种处于灰色地带的第三类公司我也需要说明一下。
There is a third grey area company that we need to address as well.
在这种情况下，您仅需修改抽象类，代码将完成编译。
In this case, you can modify just the abstract class and the code will compile.
规则类是十分简单的，典型情况下只包含一个方法。
The rule class is quite simple, typically containing only a single method.
让我们来回顾一下图3中的简单类图传达了什么。
Let's review what the simple Class diagram in Figure 3 is communicating.
现在，想像一下对发出开销较高的SOAP调用的类进行单元测试。
Now imagine trying to unit test a class that makes an expensive SOAP call.
我们来看一下这些新类是如何工作的。
我们来通过一些代码示例按顺序看一下每个类。
Let's take a look at each class in turn with some code examples.
在这些情况下，在服务器类及其上执行分析更有益。
In these cases, it might be desirable to perform the analysis on a server-class machine.
打开并按下F4以显示类的等级。
按下CTRL- s以保存可视类，然后关闭编辑器。
Save the visual class by pressing CTRL-S and then close the editor.
我们使用您应该已经在AddInstallable()下的control:节中声明的机器类。
We use machine classes you should have declared in the control: section, under AddInstallable().
所以这种情况下，您的页面在顶层有一个div，含有 toolbar类。
So in this case, your page has a div at the top with class toolbar.
这些规则与应用程序的Routingpolicy选项卡下的工作类关联。
These rules are associated with work classes under the Service policy TAB of an application.
可以看到，默认情况下patient类仅仅扩展了ActiveRecord。
As you can see, by default the Patient class simply extends ActiveRecord.
在这种情况下，Portlet必须有权访问这些类。
In this case, the portlet must have access to these classes.
在这两种情况下，都可以直接在image中修改类的单个副本。
In both cases, you modify a single copy of the classes in the image directly.
在一种情况下，我们看到在一个类体中有“奇妙”的advise声明。
In one case, we saw the "magic" declaration advise within a class body.
在这种情况下，知识由machine类的一个实例组成。
In this case, the knowledge consists of an instance of the Machine class.
以下条件下“附属”类上的迭代。
在这种情况下，Spring发现并实例化这个惟一的类。
In this case, Spring finds this one class and instantiates it for you.
首先我们将会查看一下简单的类persistentvariablestringtemplate，以描述基本的工作。
We'll first look at the simple class PersistentVariableStringTemplate to describe the basic workings.
在默认情况下，Morphia使用类名称来命名集合。
Morphia, by default, USES the class name to name the collection.
因为LinkedList不是新事物，所以我们来看一下新的priorityqueue类。
Because LinkedList isn't new, let's look at the new PriorityQueue class.
攻击下3个同一种类的敌人，可以触发一次特大跳越机会。
Take down three enemies of the same kind to trigger mega-jump bonuses.
回想一下，vector类的方法几乎都是同步的。
Recall that the methods of the Vector class are nearly all synchronized.
回想一下，vector类的方法几乎都是同步的。
Recall that the methods of the Vector class are nearly all synchronized.
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