我将尝试解释如何添加约束，使它更有意义。
I will try to explain how I added the constraints so that it makes more sense.
该库也是可扩展的，这使得能够在将来进一步添加约束模式。
This library is also extensible, which makes it possible to add further constraint patterns in the future.
定位四元谓词形状、编辑读数、连接角色和添加约束。
Position quaternary predicate shape, edit reading, connect roles, and add constraints.
定位四元谓词形状、编辑读数、连接角色和添加约束。
Position ternary predicate shape, edit reading, connect roles, and add constraints.
定位三元谓词形状、编辑读数、连接角色和添加约束。
Position binary predicate shape, edit reading, connect roles, and add constraints.
时间：人们知道应该使用约束，但向模型中添加约束是耗费时间的。
Time: People know that they should use constraints, but it can be time consuming to add them to the model.
这可以采用添加列、更改列的数据类型、添加约束或者甚至删除列的方式来实现。
This can take the form of adding a column, changing the data type for a column, adding a constraint, or even deleting a column.
有必要为模型添加约束，否则模型没有被限制或支撑，就会得到一个奇异解。
It is necessary to apply constraints to the model otherwise the model is not tied down or grounded and a singular solution will result.
最好由松散的协议和已建立的惯例作为起始点；只在绝对必要时才添加约束、契约和中央控制。
It's best to start with loose arrangements and established conventions; adding constraints, contracts and Central Control only where absolutely necessary.
你只因该在添加约束过于慢的时候，或者一次要修改大量约束的情况下重写次方法。
You should only override this method when changing constraints in place is too slow, or when a view is producing a number of redundant changes.
存在向SVG 1.2添加约束特性的观点，但是没有被采纳，所以您需要以程序的方式编写约束。
There was talk of adding a constraint feature to SVG 1.2 but it wasn't adopted, so you need to code constraints procedurally.
添加约束，为模拟模型在现实中的功能，必须设定模型的约束。定义约束就是限制模型的自由度个数。
Identify constraints Define realistic constraints that simulate how the model will function in the real world.
姿态模式：骨骼在动画模式，骨头可以移动，缩放旋转，添加约束，你可以把你的角色摆造型，或者为他们设置关键祯。
Pose Mode: your armature is ready to be animated, each bone can be moved, scaled or rotated, constraints get applied, you can pose your character, add keys and animate the bone's behavior over time.
可将J2EE安全角色和约束添加到应用程序的部署描述符。
J2EE security roles and constraints are added to the deployment descriptor of the application.
以其他方式修改数据库，包括添加、删除或修改索引或其他约束。
Changing the database in other ways, including adding, dropping, or modifying indexes or other constraints.
请继续关注本系列的第2部分，学习如何使用BIRT生成定制的模型报告，以及添加验证约束来强制实施业务规则。
Part 2 of this series describes how to generate customized model reports using BIRT and how to add validation constraints to enforce business rules.
在这个包含两个部分篇的系列文章的第2部分中，您学习了如何使用BIRT生成定制的模型报告，以及如何添加验证约束以强制实施业务规则。
In this part 2 of this two-part series, you learned how to generate customized model reports using BIRT and to add validation constraints to enforce business rules.
您无法只是快速地将一组强健而可靠的关系约束添加到实际上与另一种建模范例很接近的XML的表示中。
You cannot just quickly tack on a set of robust and reliable relational constraints to the representation in XML that, really, is closer to a different modeling paradigm.
某些XML建议者提倡将rdbms类型的约束添加到XML中；而其他人则建议以更深奥一些的方式将XML构建到RDBMS中。
Some XML proponents advocate adding RDBMS-type constraints into XML; others suggest building XML into RDBMSs in some deep way.
换言之，可以扩展原始样式表或模式来添加新行为，同样，扩展原始dtd或模式来添加新约束。
In other words, new behavior is added as extensions to the original style sheet, in the same way that new constraints were added as extensions to the original DTD or schema.
单击add添加一个新的安全约束。
声明方法需要通过web. xml文件和应用程序服务器特定的部署文件，来添加安全约束。
The declarative method involves adding security constraints through the web.xml file and through the application server-specific deployment files.
单击add添加一个新的安全性约束。
第一种策略是将元数据添加到约束模式中的appinfo标记中。
The first involves adding it to appinfo tags in the constraint schema.
添加或删除惟一、独特或外键约束。
Adding or dropping unique, distinct, or foreign key constraints.
注意要添加一个约束，使这个新字段同时为blank(在HTML表单中)和nullable(在数据库中)。
Be sure to add a constraint that allows the new field to be both blank (in the HTML form) and nullable (in the database).
接下来，在编辑器中选择新添加的外键约束，并使用Properties视图指定关键列。
Next, select the newly added foreign key constraint in the editor and specify the key columns using the Properties view.
输入您希望添加安全性约束的war文件的位置。
Enter the location of the war file that you want to add security constraints to.
为这个Web应用程序添加一项安全约束。
现在，添加一个新约束，以便在将一个列设为privacydata时检查是否存在一个masking方法。
Now, follow these steps to add a new constraint to check for the existence of a masking method if a column is set as privacy data
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