显示执行某个活动所花的时间长度。
您可能需要一个根本不执行任何工作的活动，例如，当您拥有一个需要某个活动的构造，但没有要执行的任何工作时。
You might need an activity that does nothing at all, such as when you have a construction that requires an activity, but there is no work to be done.
能力评估是调查、分析，并衡量组织和个人执行并在某个规程上取得成功的能力的活动。
Capability assessment is the activity of surveying, analyzing, and measuring the ability of organizations and individuals to perform and be successful at some discipline.
流程接口定义需要对不同执行分支进行建模，在其中，各个分支将通向业务项的不同组合，而业务项则会到达或离开某个活动。
The process interface definition needs to model the different execution branches that can occur and lead to different combinations of business items that can reach or leave an activity.
如果某个活动在前面的多个活动上拥有依赖项，那么流将等到依赖项执行完成后才执行那个活动。
If the activity has dependencies on more than one previous activity, the flow will wait to execute that activity until the dependencies have been executed.
只有在处于活动状态时才可以执行从某个活动实例跳出操作。
Jumping away from an activity instance can only be performed in an active state.
服务提供者是接受来自服务请求者的消息以执行某项工作(某个任务或活动)的对象。
A service provider is an object that accepts messages from service requestors to execute an item of work? A task or an activity.
某个活动的多次出现，不一定会导致流程执行错误，但是它会影响模型的可读性。
Multiple occurrences of an activity do not necessarily lead to a process execution error, but they can affect the readability of the model.
能够确定在某个特定时间段内正由谁执行哪些进程，可用于取证分析或者监视用户的活动。
To be able to determine what processes were being executed during a particular time and by whom, for the purposes of forensic analysis or for the purpose of monitoring user activity.
如果熟悉Swing事件模型，您就知道需要为复选框添加一个活动监听器，从而每当用户改变它时，监听器都可以执行某个动作。
If you are familiar with the Swing event model, you know that you need to add an action listener to the checkbox so that whenever the user changes it, the listener can perform some action.
您可能需要一个根本不执行任何工作的活动，例如，当您拥有一个需要某个活动的构造，但没有要执行的任何工作时。
You might need an activity that does nothing at all, such as when you have a construct that requires an activity, but there is no work to be done.
您可以指定某个活动是否参与某个事务，要求在活动执行前或执行后进行提交，或要求使用其自身事务进行操作。
You can specify whether an activity participates in a transaction, requires a commit before or after the activity is executed, or requires its own transaction.
当工作需要由某个人执行时，可以使用人工任务活动。
A human task activity is used when work is to be performed by a person.
人员活动层代表编排的长时间运行的流程(或工作流流程)内由某个人员执行的活动。
Human activities is the layer representing activities within orchestrated long-running processes (or workflow processes) that are performed by a single person.
如果希望其中的某个活动运行，则可以回跳到此活动并将其他不需要再次执行的活动标记为跳过。
If you want that one of these activities is run anyway, you can jump back to this activity and mark the other activities which need not to be executed again, for skip.
当某个活动为强制完成时，则会将该活动置于已完成状态，并继续执行后续导航。
When an activity is force-completed, the activity is put in state finished and the follow-on navigation is continued.
当某个活动为强制完成时，则会将该活动置于已完成状态，并继续执行后续导航。
When an activity is force-completed, the activity is put in state finished and the follow-on navigation is continued.
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