这个应用程序将描述一个交互，在这个交互过程中使用SOAP发送一个故意不遵循Section 4编码的购买订单文档。

The application will describe an interaction in which a purchase order document that's purposely noncompliant with Section 4 encoding is sent using SOAP.

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想要执行某个事务(例如更新订单或者购买某个产品)的应用程序，只需从应用程序中调用存储过程。

Applications wanting to begin a transaction, such as updating an order or purchasing a product simply need to invoke the appropriate stored procedure from the application.

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之后，在线交易应用程序需要用户确认购买订单，并且为用户强制设置确认订单超时时间。

The online trading application then requests the user to confirm the buy order and enforces a timeout period for the user to confirm the order.

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