它还包含用于在信息系统中实现业务设计的工具、编程模型和技术。

It also encompasses the tools, programming model and techniques for implementing the business design in information systems.

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换句话说，一个符合给定层规范的工具可以从那些符合任一相同或低于它所在层规范的工具中导入模型——在没有丢失信息的情况下。

In other words, a tool compliant to a given level can import models — without loss of information — from tools that were compliant to any level equal to or below its own.

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例如，分析员使用适当的工具收集角色、任务、序列信息、资源、数据、叙述、需求，等等，并将它们作为构建 BP 模型的输入内容。

For example, the analyst gathers roles, tasks, sequence information, resources, data, narratives, requirements, and so on using appropriate tools and uses them as input to construct the BP model.

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