In contrast, if you take a moment to identify the stable relationship in your object model, then you can derive a more stable vocabulary at minimal cost.
相反，如果花点时间确定对象模型中稳定的关系，那么可以用最小的代价派生出更稳定的词汇表。
You need to make changes to the comment to capture the belongs_to relationship and write the new migration. Listing 11 shows the model object and new migration.
需要对评论进行修改，捕捉belongs _to关系，并编写新的迁移。
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。
The relationship between management subject, management object, and management means must be handled properly. Otherwise, a good model of management may not attain its desired results.
必须处理好管理主体、管理客体和管理手段之间的关系，否则可能会使一种好的管理模式收不到应有的效果。
The object-oriented model includes many of the concepts of the entity-relationship model, but represents executable code as well as data.
物件定向的模型含实质- 联系的模型许多观念，但是表现可运行的码和数据。
According to the characteristics of real data environment, this paper presents a kernel information model containing product data object, object relationship and the processes used to handle data.
本文根据产品数据环境这一特点，提出数据对象、对象关系以及处理数据的过程是产品数据管理的核心内容。
The border tracings are used in their planar spatial relationship to compute a graphical model (220) of the volumetric object.
所述边界描记被用于它们的平面空间关系中，以便计算该容积对象的图形化模型(220)。
Put forward the concepts involved in the data model of the object in a logical environment, whose essentials are object and relationship.
提出在逻辑环境下对象的数据模型应涉及到的概念，其基本概念是对象和联系。
Analyzed the relationship between the safety and reliability and the expenses for weapon systems, a mathematic optimal model with two object functions is put forward.
分析武器系统的安全可靠性与费用的关系，提出了一个两目标优化问题的数学模型。
Object location is defined as coming up with three-dimensional coordinate expression through binocular vision model analysis using geometrical relationship.
目标定位是通过双目视觉模型分析，利用空间几何关系，最后提出了目标点的三维坐标计算表达式。
The structure, capacity, status and modeling process of process resource are analyzed, by adopting the Object-Oriented method, the process resource model and relationship model are established.
分析工艺资源的结构、能力、状态和建模过程，应用面向对象方法构建了工艺资源模型、工艺资源与工艺过程设计的关系模型。
The structure, capacity, status and modeling process of process resource are analyzed, by adopting the Object-Oriented method, the process resource model and relationship model are established.
分析工艺资源的结构、能力、状态和建模过程，应用面向对象方法构建了工艺资源模型、工艺资源与工艺过程设计的关系模型。
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