这是个简单、效的对象-关系映射工具。
Cartographer is a simple, efficient object relational mapper engine.
请注意，本文将不深入讨论对象-关系映射这一一般性的主题。
Please note that this article will not go into the general topic of object-relational mapping.
那里有一个对象关系映射程序，它是一块隐藏的宝石。
There is an object relational mapper out there that is a hidden gem.
这种关系扩展到对象类型。
但数据是孤独的，没有层次结构，没有关系也没有对象。
But the data was alone, with neither hierarchy nor relation nor object.
一个对象可以和其它对象有多种关系。
An object can have multiple relationships with other objects.
参与关系的每个业务对象必须有一个与之关联的角色。
Each business object that participates in the relationship must have a role associated with it.
现在已经创建了业务对象，下面可以创建关系了。
Now that you created the business objects, you can create the relationship.
角色必须与参与该关系中的每个业务对象关联。
A role must be associated with each business object that participates in the relationship.
既然已经创建了这些业务对象，现在就可以创建它们之间的关系。
Now that you've created the business objects, you can create the relationship.
它是一个大型的、有继承关系的对象，所以这里就不予展示。
只留下了没有被关系使用的对象事务代码。
This leaves the object's business code untouched by the concern code.
调查用于对象到关系映射的开发工具。
Investigate development tool for object to relational mapping.
只需简单的对象到关系的映射功能，特别是
Need only simple object to relational mapping capabilities, specifically
类似地，LineItem类与产品对象也具有多对一关系。
Similarly, the LineItem class has a many-to-one relationship to the product object as well.
包含四个角色的静态关系(一个角色对应一个业务对象)。
A static relationship containing four roles (a role for each business object).
一个动态关系中包含四种角色(每种业务对象对应一种角色)。
A dynamic relationship containing four roles (a role for each business object).
在每个对象层上，都有与每个对象有关的属性和关系。
At each object level are the properties and relationships relevant to each object.
获取通过一个关系绑定在一起的源对象和目标对象。
You can get the source and target objects tied together by a relationship.
包含对象间所有的关键安全关系。
要解释对象之间复杂的关系，对象图是很好的选择。
It is a good option to explain complicated relationships among objects.
对象和方法之间的关系位于对象之后。
The relationship between the object and the method is placed after the object.
本论文研究的主要对象是债权法中债与责任的关系问题。
The main object of this thesis is the relationship between debt and liability .
子类型关系只能连接到对象类型。
在这些对象之间的关系和复合对象之间的关系类似。
The relationship between these objects is similar to the relationship between composition objects.
我们衡量的对象关系到我们的行为。
与写作对象关系密切，写作就会丧失客观性。
资本的现代史之前的经济关系，不是《资本论》的对象。
The economic relations before the modern history of capital are not the objects of capital.
核心数据对象去除不取消所有的关系？
Removal of core data object does not nullify all of its relations?
这便是我想要的对象，也是我希望同他建立起的恋爱关系。
That's the kind of person I want to be with and the type of relationship I hope to be in.
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