始终为消息流配备异常处理机制，而不要依赖缺省代理异常处理程序。

Always have exceptional handling mechanism for the message flows rather than relying on the default broker exception handler.

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通过对存储过程异常处理机制的基本思想的讨论，给出了异常捕获和处理的具体模型。

Concrete model of exception capture and handling is proposed by discussing the basic thought of exception handling machine in stored procedure.

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结构化异常处理是一种控制结构，它包含异常、已隔离的代码块和用于创建异常处理机制的筛选器。

Structured exception handling is a control structure that contains exceptions, isolated blocks of code, and filters to create an exception-handling mechanism.

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