Well, a business process is an implementation of a service component that consists of a series of steps or activities that are run in a specific order.

业务流程是由按特定顺序运行的一系列步骤或活动组成的服务组件的实现。

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We chose a state machine to implement that component because, for each order, the steps that were taken to process the order depended on the current state of the order.

选择状态机来实现此组件的原因在于：对于每个订单，用于处理该订单的步骤取决于该订单的当前状态。

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A PEP component sends a message to the PDP component asking if a condition in the policy is met, or not, in order to allow the process to continue, or stop the process.

PEP组件向PD p组件发送消息，询问是否满足策略中的条件，并根据结果允许过程继续或停止过程。

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