一个活动组件可以定义一组配置属性。
An activity component can define a set of configuration properties.
基础定义了活动组件执行的运行时环境。
The foundation defines a runtime environment for the execution of activity components.
DEBA的特点是等待事件的分布式活动组件。
DEBA is characterized by distributed active components waiting for events.
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