BPEL4WS provides a collection of basic and structured activities to use in a process.
BPEL4WS提供了一组可以在流程中使用的基本活动和结构化活动。
Such relations are defined in BPEL by using structured activities that define restrictions on how to run the activities they enclose.
在BPEL 中通过使用结构化活动来定义这些关系，这些结构化活动在如何运行它们包含的活动方面定义了一些限制。
Note further that the activity state stopped is not restricted to basic activities: structured activities, such as sequences or scopes, can stop as well.
还需要注意，停止的活动状态不限于基本活动：结构化活动(如序列或范围)也可以停止。
BPEL4WS allows you to recursively combine the structured activities to express arbitrarily complex algorithms that represent the implementation of the service.
BPEL4WS允许您递归地组合结构化活动，以表达任意复杂的算法，这些算法表示了服务的实现。
In such settings, children moved frequently between activities, were given relatively little time for free play, and spent long periods of time in structured activities led by the providers.
在这些托儿所，孩子们的活动被安排的很紧凑，而且主要是看护老师安排的活动，相应的留给孩子们自由玩耍的时间很少。
Structured activities are beneficial, but parents and caregivers should also keep in mind the advantages of unstructured time for children.
安排活动是有益的，但父母和看护人还应记住自由活动对于孩子们的益处。
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.
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.
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。
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