This technique works fine if you have a single database maintenance activity within the logical unit of work (LUW).
如果在逻辑工作单元(LUW)中维护一个数据库活动，那么这一技巧将非常有用。
An Activity is a logical set of identifiers.
活动是标识符的逻辑集合。
A service is a logical representation of a repeatable activity that has a specified outcome.
服务是对具有特定产出的可重复活动的逻辑描述。
What is particularly useful about this view is that it only shows the logical volumes where there has been activity.
这个视图特别有用的特点是，它只显示有活动的逻辑卷。
In the previous picture, you can recognize some logical constructs that help with structuring the flow with conditional execution (the Switch activity) and with cycles (the Loop).
在前面的图中，您可以辨认出一些逻辑结构，这些结构可以使用有条件执行(Switch活动)和周期(Loop)帮助构建此流。
Is a logical representation of a repeatable business activity that has a specified outcome (e.g., check customer credit; provide weather data, consolidate drilling reports)?
是对一个可重复的有着特定结果的业务活动的一个逻辑表示(例如，检查消费者帐户；提供天气数据，整合钻井报表)？
For example, a system designer is interested in the logical and physical aspects of a system, so the most useful forms are class and sequence diagrams rather than use-case and activity diagrams.
例如，系统设计人员对系统的逻辑和物理方面感兴趣，因此最有用的形式就是类和序列关系图，而不是用例和活动关系图。
He, of course, there is no specific function, is just a kind of logical thinking activity of the mind.
他当然没有什么特异功能，只是头脑中的一种逻辑思维活动。
Activity attributes include activity codes, predecessor activities, successor activities, logical relationships, leads and lags, resource requirements, imposed dates, constraints, and assumptions.
活动属性包括活动编码、先行活动、后续活动、逻辑关系、提前量和滞后量、资源需求、强制日期、约束条件和假设条件等。
As such, literary appreciation has the logical premise that it is an aesthetic activity.
作为自由与超越的文学鉴赏，其逻辑前提是：文学鉴赏是一种审美活动。
Translation is not only a bilingual activity, but also a logical thinking activity.
翻译不仅是语言活动，而且也是逻辑思维活动。
The advantages of eggheads and educated people lie in logical way of thinking, clarity of statement, and established form of activity as well.
有知识者和受教育者的好处是思维能够有逻辑，条理比较清楚，能够按照“一定的”方式来行事。
Activity Attributes include Activity Codes, predecessor activities, successor activities, Logical Relationships, Leads and Lags, resource requirements, Imposed Dates, Constraints, and assumptions.
活动属性包括：活动编码、紧前活动、紧后活动、逻辑关系、时间提前量和时间滞后量、资源要求、强制日期、制约因素和假设条件。
Intrusion Detection system (IDS) is an activity based network security system. As the logical supplement of usual passive policy, it is the important part of whole security system.
入侵检测系统(IDS)是一种基于主动策略的网络安全系统，是对常用的被动策略的逻辑补偿，是网络安全系统中的重要组成部分。
In the activity-on-arrow network, there are essential differences between positive activity and dummy activity. The main function of dummy activity is to transfer the logical relationship in the work.
在双代号网络图中，虚工作和实工作有着本质的区别，其主要作用是传递工作之间的逻辑关系。
In the activity-on-arrow network, there are essential differences between positive activity and dummy activity. The main function of dummy activity is to transfer the logical relationship in the work.
在双代号网络图中，虚工作和实工作有着本质的区别，其主要作用是传递工作之间的逻辑关系。
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