You have Ruby model objects with Rails relationships between them.
有了Ruby模型对象，对象之间还有Rails关系。
Define model objects to represent J2C resource adapters and connection factories.
定义模型对象来表示J2C资源适配器和连接工厂。
This method returns the list of child model objects, such as the nodes in the diagram.
此方法将返回子模型对象(例如图中的节点)列表。
Data is passed back and forth between tiers and components in the form of model objects.
数据将以模型对象的形式在层与组件之间来回传递。
The superclass will use this list of model objects to create the corresponding EditParts.
超类将使用这个模型对象列表来创建对应的EditPart。
Active Record users do not always need to change model objects as the data model changes.
ActiveRecord用户并不总需要随着数据模型的改变而改变模型对象。
The diagram's immediate children are determined by the list of child model objects returned.
图的直系子图是由返回的子模型对象列表确定的。
To review: First, you define model objects to represent resource adapters and connection factories.
回顾：首先，您定义模型对象来表示资源适配器和连接工厂。
In the init method, you can set up the view and model objects you will use in the subsequent actions.
在init方法中，可以设置将在后续操作中使用的视图和模型对象。
Many Rails model objects are simple because the attributes are all added dynamically with metaprogramming.
许多Rails模型对象之所以简单，是因为属性都是用元编程动态添加的。
A table mapping that is an XPath expression, which finds the model objects that form the rows of the table.
一个表格映射，即一个XPath表达式，它找出组成表格每行的模型对象。
If we need to describe additional constraints for the model objects, these are often described in a natural language.
如果我们需要为模型对象描述其他的约束，那么通常可以以一种自然语言来描述它们。
It does not currently include Active Record, the powerful domain model library on which Rails database model objects are built.
当前的版本还未包括ActiveRecord，这是Rails数据库模型对象赖以为根本的强大的领域模型类库。
On the right are the entity objects, known as model objects, that have the business knowledge and business relationships we need.
右边是实体对象，称为模型对象，它们有我们需要的业务知识和业务关系。
The model objects can be serialized to XML as needed, such as when the FrontController servlet responds to an XML-based Ajax client.
模型对象可以根据需要（例如当FrontControllerservlet响应基于XML 的Ajax客户机时）被序列化为 XML。
You can synchronize changes in data and schema. You can also address data changes that involve logical operations on your model objects.
可以同步数据和模式中的变化，也可以解决涉及对模型对象进行逻辑操作的数据变化。
If your application USES distributed notification, each EditPart will typically add its own listeners to whichever model objects affect it.
如果您的应用程序使用了分布式通知，那么每个EditPart通常都将把自己的侦听器添加到任何一个影响它的模型对象。
Notice that Rails generates your model objects and migrations for each article. Edit db/migrate/001_create_articles.rb to look like Listing 3
请注意，Rails 为每篇文章生成了模型对象和迁移。
As the name suggests, the new file in step three is the JET template where we will put our code-generation logic for model objects EOperationImpl.
由名称可以看出，第3步中的新文件是一个JET模板，我们将在其中加入模型对象EOperationImpl的代码生成逻辑。
You can easily make this change in a migration because the migration has access to model objects and can make logical decisions based on the model's state.
用迁移可以容易地进行这个变化，因为迁移可以访问对象模型并根据模型的状态进行决策。
ActiveRecord automatically adds features to model objects based on the contents of the associated table, such as an attribute for each column in the table.
ActiveRecord根据关联表的内容(如表中每列的一个属性)自动地向模型对象添加特性。
If the EIS (enterprise information system) type is CICS, you populate the model objects that you defined earlier (described in the first part of the article).
如果EIS(企业信息系统)的类型是CICS，那么您填充之前定义的模型对象(如本文第一部分中介绍的)。
The component values will have been converted, validated, and applied to the model objects, so you can now use them to execute the application's business logic.
组件值已经经过了类型转换和有效性验证，并被应用到模型对象中了，因此您现在可以使用它们来执行应用程序的业务逻辑了。
Besides WSDL document information, you can retrieve more detail about the discovered application by various relationships among the model objects following the CDM.
除了WSDL文档信息之外，您还可以通过遵循CDM的模型对象之间的各种关系来检索更多已发现应用程序。
Within these environments, you can create and apply patterns to your model with varying levels of automation to support mapping the pattern roles to your model objects.
在这些环境中，可以为模型创建和应用模式，并能利用各个级别的自动化功能来支持将模式角色映射到模型对象。
Rails heavily engages DSLs to do everything from building relationships between model objects to specifying custom components such as state machines or uploadable images.
Rails集中使用 DSL来完成从构建模型对象之间的关系到指定自定义组件（如状态机器或可上传的图像）的所有工作。
The extracted metadata includes data model objects, such as item types and their attributes, and administration objects, such as user definitions and access control lists.
提取的元数据包括一些数据模型对象，例如项目类和它们的属性，还有一些管理对象，例如用户定义和访问控制列表。
This framework maps between primitives like strings that the widgets close to the operating system expect and the higher-level model objects with which your code prefers to work.
这个框架在象字符串这样的基本类型（接近操作系统的窗口小部件希望使用这些基本类型）和更高级的模型对象（您的代码更愿意使用这些对象）之间进行映射。
You can write separate code that loads the relevant EMF resources and invokes the mapping engine on the model objects, but in this example everything is done for you in a transparent way.
你可以分开编写加载相关的EMF资源和对模型对象调用映射引擎的代码，但是在这个例子中所有任务的完成都是透明的。
The possible children element dictates when our extension can provide parents for objects in the viewer, in our case these are objects that are instances of EMF model objects or resources.
可能得到的子元素规定了扩展何时为查看器中的对象提供父对象，在本文的例子中，这些对象指的是EMF模型对象或资源的实例。
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