PVM可移植性好，可运行在当今的多数平台上。

PVM is portable and runs on a wide variety of modern platforms.

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表示一个事件，SQL工作流实例存储将引发该事件，将持久性数据库中是否存在可运行实例的信息通知工作流宿主。

Represents an event that the SQL workflow instance Store raises to notify workflow hosts about the existence of runnable instances in the persistence database.

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错误：知识一致性检查不可运行。

Error: The Knowledge Consistency Checker is non-operational.

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错误：知识一致性检查不可运行。

Error: The Knowledge Consistency Checker is non-operational.

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