一旦机器启动，BIOS就有了不同的用途，显示具有针对电脑硬件的标准应用程序编程接口的DOS系统。

Once the machine has booted, BIOS will have a different use, appears to have a standard for computer hardware application programming interface of the DOS system.

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当应用程序调用事务管理器以启动全局事务时，事务管理器可以使用xa _接口通知事务分支的资源管理器。

When an application program calls a transaction manager to start a global transaction, the transaction manager can use the xa_ interface to inform resource managers of the transaction branch.

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接口中定义的两个方法分别是 init() 和 destroy()，这两个方法分别在启动和关闭应用程序时被调用。

The two methods defined in the interface are init() and destroy(), which are called at application startup and shutdown respectively.

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