因此，在组织流程模型时，应始终保持结构清晰，同时从我们前面介绍的活动形式或网关形式中选择一种。

You should always organize process models in a structured manner and pick either an activity form or gateway form as we described in the previous section.

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介绍了数据库知识发现(KDD)活动的展开要求，着重从它的技术处理流程来分析它的特性及其存在价值与意义。

This article introduces the KDD activity the request that launch, and puts great emphasis on its characteristic and value by technique processing.

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