What you’ve done here is to define a simple one-to-one relationship between objects of the two classes.

这里所做的是在这两个类的对象之间定义简单的一对一关系。

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Another type of mapping is when a table might have a one-to-one relationship but your object model only has one object.

另一映射类型是，表可能有一对一关系，但对象模型只有一个对象。

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"If you sustain growth, you will also sustain poverty reduction, because it's basically a one-to-one relationship," says Karlsson.

“如果继续保持增长，就可以继续减轻贫困，因为这基本上是一种一对一的关系，”Karlsson说。

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General McChrystal was one of the relatively few American officials to develop a good relationship with Afghan President Hamid Karzai.

VOA: special.2010.06.26

If we look at the two graphs in relationship to one another you see how different they are.

如果我们把两张图表联系起来看,我们会发现二者有多么的不同

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It depends on” is useful when you're talking about one subject in relationship to another subject.

当你在谈论一个话题与另一个话题的关系时，“It depends on”句型是非常有用的一个句型。

It depends on 课堂 - SpeakingMax英语口语达人

Cloud will evolve from a one-to-one relationship between end-user and cloud provider to a one-to-many, flourishing ecosystem comprised of cloud insurers, such as CloudInsure, broker services, and other intermediaries enabling organizations to enjoy the financial and operational benefits of federated cloud formations.

FORBES: CloudNOW unveils its 2013 cloud computing predictions

At its heart lies the one-to-one relationship between the homeless person and their mentor, or care worker.

BBC: Turning around lives of the homeless

And the smallest element of the marketplace is the one-to-one relationship.

CNN: Career - Review: Taking business personally