fail使得Perl6语法规则可以因为逻辑条件而失败。
Fail lets Perl 6 grammar rules fail because of a logical condition.
康德把探索科学知识能够成立的先验逻辑条件规定为认识论研究的基本课题。
Kant regarded prior logical condition of scientific knowing as a fundamental subject of epistemology.
注意：该任务假设标题中存在引用，但是您可以使用OR语句扩展逻辑条件，搜索更多的feed。
Note: This task assumes that the reference will be in the title, but you can be more thorough by expanding the logical condition into an or statement and searching more of the feed.
通过使用XML描述判决策略，等级角色判决模型将能处理复杂的逻辑条件判决，而非原先简单的数值比对。
Through the description of decision policies with XML, the model can deal with complex logic decisions rather than simple value comparison.
现在您应该对这个查询的大部分感到熟悉，所以我们只关注条件逻辑。
Most aspects of this query should be familiar to you by now, so concentrate on the conditional logic.
视图经常(特别是当您处理表单数据时)要求一些逻辑来根据用户操作和某些条件显示正确的内容。
Often the view, especially when you're handling form data, demands some logic to display the right thing based on user actions and certain conditions.
它让您用循环构造和条件逻辑控制程序流，极大地增强了构建过程。
It greatly enhances the build process by letting you control program flow with looping constructs and conditional logic.
路由：能按条件逻辑或配置好的路由规则路由消息。
Routing: the ability to route messages on conditional logic, or configured routing rules.
通过对映射使用条件，可以控制映射的逻辑流。
Using conditions on mappings allows you to control the logical flow of the mappings.
比如，如果需要较复杂的条件逻辑、循环流程、补偿功能、状态的一致或是过程中的人机交互。
For example, if you require more complex conditional logic, cyclic flow, compensatory capabilities, persistence of state, or in-process human interaction.
常规序列图利用了条件逻辑，这对于描述交互过程中事件的可选流程来说很有用处。
Generic sequence diagrams make use of conditional logic, which can be useful for describing the alternative flow of events over the course of an interaction.
为简单起见，本例中展示的业务逻辑只获得与符合条件的交易相关的票面息率和其他公司债券信息。
For simplicity, the business logic shown in this example merely obtains the coupon rate and other corporate bond information associated with the qualifying trades.
流程的WS - BPEL表示形式(请参见图2)与业务模型类似，因为存在连接在一起的步骤以及条件分支逻辑。
The WS-BPEL representation of the process (Figure 2), is similar to the business model in that there are steps which are wired together, along with conditional branching logic.
表现力大多源于存在条件逻辑、动态更改输入模型和控制执行流的标签。
Much of the expressiveness comes from there being tags for conditional logic, dynamically changing the input model, and controlling the flow of execution.
这一次，我们将探究条件逻辑在常规序列图中所扮演的角色，通过它来让您了解有关UML表示的更多知识。
This time, we'll explore the role of conditional logic in a generic sequence diagram, thus expanding your knowledge of UML notation.
布尔逻辑对你规划条件语句的结构特别有用。
Boolean logic is especially useful for formulating clear conditional statements.
基于中介中一些条件逻辑允许或禁止消息的分发。
Allowing or disallowing a message to be delivered based on some conditional logic in the mediation.
报告分支覆盖的工具试图度量决策点(比如包含逻辑AND或OR的条件块)的覆盖率。
Tools that report branch coverage attempt to measure the coverage of decision points, such as conditional blocks containing logical ANDs or ORs.
要把风险降到最小很简单，只需把条件逻辑分解成更小的片段，然后创建容易测试的新方法。
Minimizing the risk is a simple matter of breaking up the conditional logic into smaller pieces, thus creating new methods that can be easily tested.
大多数业务方法都包含验证逻辑，以确保在执行业务逻辑之前，前提条件得到满足。
Most business methods contain validation logic to ensure that pre-conditions are met before carrying out business logic.
然而，如果第一个测试失败，则会执行该逻辑的下一个条件或执行continue。
However, if the first test fails, the next condition of the logical or continue executes.
通用步骤（没有任何名称）和While循环之间的路由包含与循环条件对应的逻辑。
The routing between the general step (with no name) and While Loop contains logic that corresponds with the loop condition.
在清单5中，Condition元素是用于创建作为可嵌套条件的复杂逻辑表达式。
In Listing 5, the condition element is used to create complex logical expressions as conditions can be nested.
到流程任务的路由包含相反的逻辑，因此当循环条件为false时，将改为采用此路由。
The routing to Process Task has the logical opposite, so when the loop condition is false, this route will be taken instead.
在本例中，通过为不同类型重载invoice方法，您可以避免条件逻辑。
In this case, you could avoid the conditional logic by overloading the invoice method for different types.
XQuery的XML输出转换功能可以与它内置的对条件逻辑的支持相结合，以减少应用程序代码的复杂性。
XQuery's ability to transform XML output can be combined with its built-in support for conditional logic to reduce the complexity of application code.
结构化活动(Structured activity)：用于管理活动序列的整个流程流、活动的并行处理以及在控制流程流时添加条件逻辑。
Structured activities: for managing the overall process flow for sequencing of activities, parallel processing of activities, and adding conditional logic in controlling the process flow.
此外，这个查询中的return子句包含一个条件逻辑，用于判断给定客户的记录中是否存在e- mail元素。
In addition, the return clause in this query contains conditional logic to determine if an E-mail element is present in a given customer's record.
要创建一个检查正常血压的过滤器，需要向BP中间对象字段systolic和diastolic应用条件逻辑，如图7所示。
To create a filter to check for normal blood pressure, you would apply conditional logic to the BP intermediate object fields systolic and diastolic, as shown in Figure 7.
要创建一个检查正常血压的过滤器，需要向BP中间对象字段systolic和diastolic应用条件逻辑，如图7所示。
To create a filter to check for normal blood pressure, you would apply conditional logic to the BP intermediate object fields systolic and diastolic, as shown in Figure 7.
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