A policy defines a particular capability or constraint.
策略定义特定的功能或约束。
And then you can go back and find the next leverage point, or constraint.
然后，你就回头找下一个杠杆点，或制约因素。
For example, the definition or constraint that a postal code must be a valid number may be missing or not enforced consistently.
例如，可能缺少邮政编码必须为有效数字的定义或约束，或者执行不一致。
Reinforced gabion mesh network is applied to the object of spillway dam and diversion dam, play a guiding role in flood or constraint.
加筋格宾网格宾网也应用到泄洪坝和导流坝，起到引导或者约束洪水的作用。
For the identification of such tractable constraints, much work has been devoted to the study of special classes of constraints or constraint networks.
迄今，为了识别易处理约束类，人们对特殊的约束或约束网络方面进行了许多研究。
This way is labor-consuming, inefficient, and has become a bottleneck or constraint for these enterprises to improve their productivities and regulate production.
该方法劳动强度大、工作效率低，对于企业大规模生产、提高劳动生产率来说已成为一种瓶颈或制约。
In the paper, it provides the geometrical solution to extreme value of many variables function by geometric properties of objective function or constraint condition.
本文中，利用目标函数或约束条件的几何性质，提供了某些多元函数极值或最值问题的几何解法。
Collision has an effect on constraint solution, so maintaining validity of constraint system is accomplished by modifying constraint solution sequence or constraint chain.
碰撞检测对约束求解产生影响，通过改变约束求解顺序或改变约束链，达到对约束系统有效性的维护。
Each constraint belongs to one or more groups.
每个约束属于一或多个组。
The fourth parameter determines if constraint or validation errors are ignored.
第四个参数确定是否忽略约束或验证错误。
In this syntax example, you must either define a new column or define a new table-level constraint.
在这个语法示例中，必须定义一个新列或者定义一个表级约束。
Historically, lack of nitrogen, not lack of land or water, has been its biggest constraint.
从历史上看，缺氮，不缺土地或不缺水，一直是农业最大的制约因素。
Since you can set any arbitrary attribute value (and yes, that includes values that you define) to a constraint expression or use it in a constraint, there are a lot of possibilities.
由于可以为约束表达式设置任何任意的属性值(包括您自己定义的值)，或者在约束中使用它，因此存在很多可能。
You can also define other technologies as constraint mechanisms, such as schemas or type systems -- you can even define your own custom constraint solution.
还可以定义其他技术作为约束机制，如模式或类型系统，甚至可以定义自己的自定义约束解决方案。
This can take the form of adding a column, changing the data type for a column, adding a constraint, or even deleting a column.
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。
It can take one of two forms — either having a single constraint to process or a list of constraints to process.
它采用两种形式之一——要么用单一约束进行处理，要么用一系列约束进行处理。
For example, a constraint might be that the design will use a relational database or interface to an existing system.
例如，约束可能是设计将在现在系统上使用关系数据库或者接口。
A BICS document can be interrogated to determine if a specific schema or other mechanism is declared as an information constraint.
可以查询BICS文档以确定是否声明了特定模式或其他机制作为信息约束。
This clause is not allowed if the column is specified in the primary key, or in a unique constraint of the table (SQLSTATE 42831).
如果表的主键或惟一性约束中指定了这个列，那么不允许使用这个子句(SQLSTATE 42831)。
For example, items that are not displayed or not active are excluded when the format constraint is off.
例如，当关闭格式约束时，不显示或未激活的条目被排除在外。
Minor changes now can be done to external decision logic which implements the constraint, to alter policy or to change rule logic separately.
现在少量修改可以由实现约束的外部决策逻辑完成，以便分别改变策略或修改规则。
Interface driver, constraint, and timing rules, modeled using interaction or sequence diagrams.
接口驱动器、约束和计时规则，通过交互或时序图进行建模。
In Listing 10, the second argument passed to the delete method specifies the constraint or filter to be used when performing the delete operation.
在清单10中，传递给delete函数的第二个参数指定了执行delete操作时使用的约束或过滤器。
A constraint mechanism can be an XML schema, a type system, or even some custom programming code.
约束机制可以是XML模式、类型系统甚至自定义的程序代码。
As discussed earlier, this processing could take such forms as index maintenance, constraint verification, or trigger execution.
前面已经讨论过，这种处理可能以不同的形式出现，例如索引维护、约束验证或者触发器执行。
A constraint limits either a column or a table in some manner.
约束通过某种方式对列或表进行限制。
The people creating XML documents, most likely through an industry specific editor, or people investigating why XML documents failed constraint checking, are not always technical people.
通过特定于行业的编辑器创建XML文档的人员以及探究为何XML文档未能执行约束检查的人员通常并不一定是技术人员。
Unfortunately (or fortunately), this JSR focuses on constraint declarations and validations.
不幸的是（或许也是幸运的），这个JSR侧重于约束声明和验证。
Or had it in fact become a form of constraint in the interests of social order.
或者它在事实上只是现有社会秩序的利益下的一种约束形式。
Or had it in fact become a form of constraint in the interests of social order.
或者它在事实上只是现有社会秩序的利益下的一种约束形式。
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