这种方法不但能够降低网络开销，而且在EJB内部通过为整个业务功能创建一个事务环境也可以大大地减少对数据库的访问次数。
Not only will this reduce network overhead, but within EJBs, it also critically reduces the number of database calls by creating a single transaction context for the entire business function.
在大部分业务环境中，流程模型不仅创建用于描述新功能，还用于定义这些功能如何连接到现有系统。
In most business environments, process models are created not only to describe new capabilities, but also to define how those capabilities interface to existing systems.
在大部分业务环境中，流程模型不仅创建用于描述新功能，还用于定义这些功能如何连接到现有系统。
In most business environments, process models are created not only to describe new capabilities, but also to define how those capabilities interface to existing systems.
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